arm: socfpga: Introduce common board code

The SoCFPGA has reached a point where every single board code become
the same, since each and every single board is probed equally from OF.
Move the common board code into arch/arm/mach-socfpga/ .

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Chin Liang See <clsee@altera.com>
Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
diff --git a/arch/arm/mach-socfpga/Makefile b/arch/arm/mach-socfpga/Makefile
index 316b326..5cf9e23 100644
--- a/arch/arm/mach-socfpga/Makefile
+++ b/arch/arm/mach-socfpga/Makefile
@@ -8,7 +8,7 @@
 #
 
 obj-y	+= misc.o timer.o reset_manager.o system_manager.o clock_manager.o \
-	   fpga_manager.o scan_manager.o
+	   fpga_manager.o scan_manager.o board.o
 obj-$(CONFIG_SPL_BUILD) += spl.o freeze_controller.o
 
 # QTS-generated config file wrappers