omap4: kconfig: move board select menu and common settings

Becuase the board select menu in arch/arm/Kconfig is too big,
move the OMAP4 board select menu to omap4/Kconfig.

Move also common settings (CONFIG_SYS_CPU="armv7" and
CONFIG_SYS_SOC="omap4").

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Reviewed-by: Tom Rini <trini@ti.com>
Cc: Lokesh Vutla <lokeshvutla@ti.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 3f38b04..639b8cc 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -415,14 +415,8 @@
 config OMAP34XX
 	bool "OMAP34XX SoC"
 
-config TARGET_DUOVERO
-	bool "Support duovero"
-
-config TARGET_OMAP4_PANDA
-	bool "Support omap4_panda"
-
-config TARGET_OMAP4_SDP4430
-	bool "Support omap4_sdp4430"
+config OMAP44XX
+	bool "OMAP44XX SoC"
 
 config TARGET_CM_T54
 	bool "Support cm_t54"
@@ -531,6 +525,8 @@
 
 source "arch/arm/cpu/armv7/omap3/Kconfig"
 
+source "arch/arm/cpu/armv7/omap4/Kconfig"
+
 source "arch/arm/cpu/armv7/rmobile/Kconfig"
 
 source "arch/arm/cpu/armv7/tegra-common/Kconfig"
@@ -615,7 +611,6 @@
 source "board/freescale/vf610twr/Kconfig"
 source "board/gateworks/gw_ventana/Kconfig"
 source "board/genesi/mx51_efikamx/Kconfig"
-source "board/gumstix/duovero/Kconfig"
 source "board/gumstix/pepper/Kconfig"
 source "board/h2200/Kconfig"
 source "board/hale/tt01/Kconfig"
@@ -669,8 +664,6 @@
 source "board/ti/dra7xx/Kconfig"
 source "board/ti/ks2_evm/Kconfig"
 source "board/ti/omap5_uevm/Kconfig"
-source "board/ti/panda/Kconfig"
-source "board/ti/sdp4430/Kconfig"
 source "board/ti/ti814x/Kconfig"
 source "board/ti/ti816x/Kconfig"
 source "board/ti/tnetv107xevm/Kconfig"