ARM: Alpine: Initial support for Alpine platform

This patch introduces initial architecture and device-tree support.

Signed-off-by: Saeed Bishara <saeed@annapurnalabs.com>
Signed-off-by: Tsahee Zidenberg <tsahee@annapurnalabs.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/mach-alpine/Kconfig b/arch/arm/mach-alpine/Kconfig
new file mode 100644
index 0000000..44b9a8f
--- /dev/null
+++ b/arch/arm/mach-alpine/Kconfig
@@ -0,0 +1,8 @@
+config ARCH_ALPINE
+	bool "Annapurna Labs Alpine platform" if ARCH_MULTI_V7
+	select ARM_AMBA
+	select ARM_GIC
+	select GENERIC_IRQ_CHIP
+	select HAVE_ARM_ARCH_TIMER
+	help
+	  This enables support for the Annapurna Labs Alpine V1 boards.