Tegra20: Move some include files to arch-tegra for sharing with Tegra30

The move is pretty straight-forward. ap20.h and tegra20.h were renamed to ap.h and tegra.h.
Some files remain in arch-tegra20 but 'include' a file in 'arch-tegra' with #defines & structs
that will be common between T20 and T30 HW. HW-specific #defines, etc. stay in the 'arch-tegra20'
'root' file.

All boards build OK w/MAKEALL -s tegra20. Checkpatch.pl runs clean. Seaboard works OK.

Signed-off-by: Tom Warren <twarren@nvidia.com>
diff --git a/board/avionic-design/common/tamonten.c b/board/avionic-design/common/tamonten.c
index 93f12ea..7c05d49 100644
--- a/board/avionic-design/common/tamonten.c
+++ b/board/avionic-design/common/tamonten.c
@@ -27,16 +27,15 @@
 #include <ns16550.h>
 #include <asm/io.h>
 #include <asm/gpio.h>
-#include <asm/arch/board.h>
-#include <asm/arch/tegra20.h>
-#include <asm/arch/sys_proto.h>
-#include <asm/arch/clk_rst.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/funcmux.h>
 #include <asm/arch/pinmux.h>
-#include <asm/arch/uart.h>
-#include <asm/arch/mmc.h>
-
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/board.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/mmc.h>
+#include <asm/arch-tegra/sys_proto.h>
+#include <asm/arch-tegra/uart.h>
 #ifdef CONFIG_TEGRA_MMC
 #include <mmc.h>
 #endif
diff --git a/board/compal/paz00/paz00.c b/board/compal/paz00/paz00.c
index 0f8f167..c73ac5f 100644
--- a/board/compal/paz00/paz00.c
+++ b/board/compal/paz00/paz00.c
@@ -16,9 +16,9 @@
 
 #include <common.h>
 #include <asm/io.h>
-#include <asm/arch/tegra20.h>
+#include <asm/arch/tegra.h>
 #include <asm/arch/pinmux.h>
-#include <asm/arch/mmc.h>
+#include <asm/arch-tegra/mmc.h>
 #include <asm/gpio.h>
 #ifdef CONFIG_TEGRA_MMC
 #include <mmc.h>
diff --git a/board/compulab/trimslice/trimslice.c b/board/compulab/trimslice/trimslice.c
index 893cca8..7b22a87 100644
--- a/board/compulab/trimslice/trimslice.c
+++ b/board/compulab/trimslice/trimslice.c
@@ -22,14 +22,14 @@
  */
 
 #include <common.h>
-#include <i2c.h>
 #include <asm/io.h>
-#include <asm/arch/tegra20.h>
+#include <asm/arch/tegra.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/funcmux.h>
 #include <asm/arch/pinmux.h>
-#include <asm/arch/mmc.h>
+#include <asm/arch-tegra/mmc.h>
 #include <asm/gpio.h>
+#include <i2c.h>
 #ifdef CONFIG_TEGRA_MMC
 #include <mmc.h>
 #endif
diff --git a/board/nvidia/common/board.c b/board/nvidia/common/board.c
index afe832a..8821fdf 100644
--- a/board/nvidia/common/board.c
+++ b/board/nvidia/common/board.c
@@ -25,20 +25,19 @@
 #include <ns16550.h>
 #include <linux/compiler.h>
 #include <asm/io.h>
-#include <asm/arch/tegra20.h>
-#include <asm/arch/sys_proto.h>
-
-#include <asm/arch/board.h>
-#include <asm/arch/clk_rst.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/emc.h>
 #include <asm/arch/pinmux.h>
-#include <asm/arch/pmc.h>
 #include <asm/arch/pmu.h>
-#include <asm/arch/uart.h>
-#include <asm/arch/warmboot.h>
-#include <spi.h>
+#include <asm/arch/tegra.h>
 #include <asm/arch/usb.h>
+#include <asm/arch-tegra/board.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/pmc.h>
+#include <asm/arch-tegra/sys_proto.h>
+#include <asm/arch-tegra/uart.h>
+#include <asm/arch-tegra/warmboot.h>
+#include <spi.h>
 #include <i2c.h>
 #include "board.h"
 #include "emc.h"
diff --git a/board/nvidia/common/emc.c b/board/nvidia/common/emc.c
index 739d4bd..26b6ec7 100644
--- a/board/nvidia/common/emc.c
+++ b/board/nvidia/common/emc.c
@@ -22,13 +22,13 @@
 
 #include <common.h>
 #include <asm/io.h>
-#include <asm/arch/ap20.h>
-#include <asm/arch/clk_rst.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/emc.h>
 #include <asm/arch/pmu.h>
-#include <asm/arch/sys_proto.h>
-#include <asm/arch/tegra20.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/ap.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/sys_proto.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
diff --git a/board/nvidia/common/uart-spi-switch.c b/board/nvidia/common/uart-spi-switch.c
index 6b21758..a0aeb7f 100644
--- a/board/nvidia/common/uart-spi-switch.c
+++ b/board/nvidia/common/uart-spi-switch.c
@@ -24,8 +24,8 @@
 #include <asm/gpio.h>
 #include <asm/arch/pinmux.h>
 #include <asm/arch/uart-spi-switch.h>
-#include <asm/arch/tegra20.h>
-#include <asm/arch/tegra_spi.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/tegra_spi.h>
 
 
 /* position of the UART/SPI select switch */
diff --git a/board/nvidia/harmony/harmony.c b/board/nvidia/harmony/harmony.c
index b4a811d..c23a87d 100644
--- a/board/nvidia/harmony/harmony.c
+++ b/board/nvidia/harmony/harmony.c
@@ -23,11 +23,11 @@
 
 #include <common.h>
 #include <asm/io.h>
-#include <asm/arch/tegra20.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/funcmux.h>
 #include <asm/arch/pinmux.h>
-#include <asm/arch/mmc.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/mmc.h>
 #include <asm/gpio.h>
 #ifdef CONFIG_TEGRA_MMC
 #include <mmc.h>
diff --git a/board/nvidia/seaboard/seaboard.c b/board/nvidia/seaboard/seaboard.c
index 667f60a..ab90a5d 100644
--- a/board/nvidia/seaboard/seaboard.c
+++ b/board/nvidia/seaboard/seaboard.c
@@ -23,11 +23,11 @@
 
 #include <common.h>
 #include <asm/io.h>
-#include <asm/arch/tegra20.h>
+#include <asm/arch/tegra.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/funcmux.h>
 #include <asm/arch/pinmux.h>
-#include <asm/arch/mmc.h>
+#include <asm/arch-tegra/mmc.h>
 #include <asm/gpio.h>
 #ifdef CONFIG_TEGRA_MMC
 #include <mmc.h>
diff --git a/board/nvidia/whistler/whistler.c b/board/nvidia/whistler/whistler.c
index 598b2e5..af918c4 100644
--- a/board/nvidia/whistler/whistler.c
+++ b/board/nvidia/whistler/whistler.c
@@ -22,14 +22,14 @@
  */
 
 #include <common.h>
-#include <i2c.h>
 #include <asm/io.h>
-#include <asm/arch/tegra20.h>
+#include <asm/arch/tegra.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/funcmux.h>
 #include <asm/arch/pinmux.h>
-#include <asm/arch/mmc.h>
+#include <asm/arch-tegra/mmc.h>
 #include <asm/gpio.h>
+#include <i2c.h>
 #ifdef CONFIG_TEGRA_MMC
 #include <mmc.h>
 #endif