armv7a: Enable native memcpy / memset

The code has been there for quite a while but was never enabled.

BUG=none
TEST=none
BRANCH=none

Change-Id: Ifc30e735e78f88ab2c84e374e2aa245b370c4e03
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: https://gerrit.chromium.org/gerrit/57018
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Tested-by: Stefan Reinauer <reinauer@chromium.org>

src/arch/armv7/Kconfig

@@ -32,4 +32,12 @@ config UPDATE_IMAGE
 	  is a suitable file for further processing.
 	  The bootblock will not be modified.
 
+config HAVE_ARCH_MEMSET
+	bool
+	default y
+
+config HAVE_ARCH_MEMCPY
+	bool
+	default y
+
 endmenu

src/arch/armv7/Makefile.inc

@@ -172,8 +172,6 @@ romstage-$(CONFIG_EARLY_CONSOLE) += early_console.c
 
 ramstage-y += div0.c
 #ramstage-y += interrupts.c
-#ramstage-y += memcpy.S
-#ramstage-y += memset.S
 ramstage-y += cache.c
 ramstage-y += mmu.c
 
@@ -184,6 +182,13 @@ bootblock-y += eabi_compat.c
 ramstage-y += boot.c
 ramstage-y += tables.c
 
+romstage-y += memset.S
+ramstage-y += memset.S
+bootblock-y += memset.S
+romstage-y += memcpy.S
+ramstage-y += memcpy.S
+bootblock-y += memcpy.S
+
 $(obj)/arch/armv7/coreboot_table.ramstage.o : $(OPTION_TABLE_H)
 
 romstage-srcs += $(objgenerated)/crt0.s