Make memcpy memmove

Bug: http://b/63992911
Test: Change BoardConfig.mk and compile for each variant
Change-Id: Ia0cc68d8e90e3316ddb2e9ff1555a009b6a0c5be
diff --git a/libc/arch-arm/denver/bionic/memmove.S b/libc/arch-arm/denver/bionic/memmove.S
index 94302f3..74d2b31 100644
--- a/libc/arch-arm/denver/bionic/memmove.S
+++ b/libc/arch-arm/denver/bionic/memmove.S
@@ -50,7 +50,7 @@
         bhi         .L_reversed_memcpy
 
 .L_jump_to_memcpy:
-        b           memcpy
+        b           __memcpy
 
 .L_reversed_memcpy:
         push        {r0, lr}
@@ -278,3 +278,5 @@
         pop         {r0, pc}
 
 END(memmove)
+
+ALIAS_SYMBOL(memcpy, memmove)