Kconfig: Move USE_ARCH_MEMCPY/MEMSET to Kconfig

Move USE_ARCH_MEMCPY/MEMSET options to Kconfig.

Make it "default y" for the ARMv7 architecture and make it
depend on !ARM64 && !SPL.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 714dd8b..587f288 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -126,6 +126,24 @@
 	  ARM_SOC_BOOT0_HOOK which contains the required assembler
 	  preprocessor code.
 
+config USE_ARCH_MEMCPY
+	bool "Use an assembly optimized implementation of memcpy"
+	default y if CPU_V7
+	depends on !ARM64 && !SPL
+	help
+	  Enable the generation of an optimized version of memcpy.
+	  Such implementation may be faster under some conditions
+	  but may increase the binary size.
+
+config USE_ARCH_MEMSET
+	bool "Use an assembly optimized implementation of memset"
+	default y if CPU_V7
+	depends on !ARM64 && !SPL
+	help
+	  Enable the generation of an optimized version of memset.
+	  Such implementation may be faster under some conditions
+	  but may increase the binary size.
+
 config ARCH_OMAP2
 	bool
 	select CPU_V7