Rename vpx_scale/rtcd.c to vpx_scale/vpx_scale_rtcd.c

Change-Id: I4765ca3dab880a3673c15fb56b2d912ec2ea194e
diff --git a/vpx_scale/vpx_scale.mk b/vpx_scale/vpx_scale.mk
index 6c93f9f..cff1678 100644
--- a/vpx_scale/vpx_scale.mk
+++ b/vpx_scale/vpx_scale.mk
@@ -6,7 +6,7 @@
 SCALE_SRCS-yes += generic/yv12config.c
 SCALE_SRCS-yes += generic/yv12extend.c
 SCALE_SRCS-$(CONFIG_SPATIAL_RESAMPLING) += generic/gen_scalers.c
-SCALE_SRCS-yes += rtcd.c
+SCALE_SRCS-yes += vpx_scale_rtcd.c
 
 #neon
 SCALE_SRCS-$(HAVE_NEON)  += arm/neon/vp8_vpxyv12_copyframe_func_neon$(ASM)