arm: socfpga: Remove <common.h> and add needed includes

Remove <common.h> from all mach-socfpga files and when needed add missing
include files directly.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/mach-socfpga/smc_api.c b/arch/arm/mach-socfpga/smc_api.c
index 8ffc7a4..ebaa0b8 100644
--- a/arch/arm/mach-socfpga/smc_api.c
+++ b/arch/arm/mach-socfpga/smc_api.c
@@ -4,10 +4,11 @@
  *
  */
 
-#include <common.h>
 #include <asm/ptrace.h>
 #include <asm/system.h>
+#include <linux/errno.h>
 #include <linux/intel-smc.h>
+#include <linux/string.h>
 
 int invoke_smc(u32 func_id, u64 *args, int arg_len, u64 *ret_arg, int ret_len)
 {