ARM: rpi: rename rpi_b to rpi

The U-Boot port runs on a variety of RPi models, not just the B. So,
rename the port to something slightly more generic.

Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
diff --git a/board/raspberrypi/rpi_b/Kconfig b/board/raspberrypi/rpi/Kconfig
similarity index 71%
rename from board/raspberrypi/rpi_b/Kconfig
rename to board/raspberrypi/rpi/Kconfig
index 501d511..6a538cf 100644
--- a/board/raspberrypi/rpi_b/Kconfig
+++ b/board/raspberrypi/rpi/Kconfig
@@ -1,7 +1,7 @@
-if TARGET_RPI_B
+if TARGET_RPI
 
 config SYS_BOARD
-	default "rpi_b"
+	default "rpi"
 
 config SYS_VENDOR
 	default "raspberrypi"
@@ -10,6 +10,6 @@
 	default "bcm2835"
 
 config SYS_CONFIG_NAME
-	default "rpi_b"
+	default "rpi"
 
 endif
diff --git a/board/raspberrypi/rpi/MAINTAINERS b/board/raspberrypi/rpi/MAINTAINERS
new file mode 100644
index 0000000..6dcb7bd
--- /dev/null
+++ b/board/raspberrypi/rpi/MAINTAINERS
@@ -0,0 +1,6 @@
+RPI BOARD
+M:	Stephen Warren <swarren@wwwdotorg.org>
+S:	Maintained
+F:	board/raspberrypi/rpi/
+F:	include/configs/rpi.h
+F:	configs/rpi_defconfig
diff --git a/board/raspberrypi/rpi_b/Makefile b/board/raspberrypi/rpi/Makefile
similarity index 96%
rename from board/raspberrypi/rpi_b/Makefile
rename to board/raspberrypi/rpi/Makefile
index 7e9bfbf..c53c92b 100644
--- a/board/raspberrypi/rpi_b/Makefile
+++ b/board/raspberrypi/rpi/Makefile
@@ -12,4 +12,4 @@
 # GNU General Public License for more details.
 #
 
-obj-y	:= rpi_b.o
+obj-y	:= rpi.o
diff --git a/board/raspberrypi/rpi_b/rpi_b.c b/board/raspberrypi/rpi/rpi.c
similarity index 100%
rename from board/raspberrypi/rpi_b/rpi_b.c
rename to board/raspberrypi/rpi/rpi.c
diff --git a/board/raspberrypi/rpi_b/MAINTAINERS b/board/raspberrypi/rpi_b/MAINTAINERS
deleted file mode 100644
index 14f3948..0000000
--- a/board/raspberrypi/rpi_b/MAINTAINERS
+++ /dev/null
@@ -1,6 +0,0 @@
-RPI_B BOARD
-M:	Stephen Warren <swarren@wwwdotorg.org>
-S:	Maintained
-F:	board/raspberrypi/rpi_b/
-F:	include/configs/rpi_b.h
-F:	configs/rpi_b_defconfig