[ARM] 5227/1: Add the ENDPROC declarations to the .S files

This declaration specifies the "function" type and size for various
assembly functions, mainly needed for generating the correct branch
instructions in Thumb-2.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/lib/memchr.S b/arch/arm/lib/memchr.S
index e7ab1ea..1da8699 100644
--- a/arch/arm/lib/memchr.S
+++ b/arch/arm/lib/memchr.S
@@ -23,3 +23,4 @@
 	sub	r0, r0, #1
 2:	movne	r0, #0
 	mov	pc, lr
+ENDPROC(memchr)