msm8974: Change the product name from copper to msm8974

fastboot flash all command looks for target name from the build
& bootloaders. If the product names do not match the flash all
command fails. Fix by changing the name of the product in the
bootloader to match that of the complete build.

CRs-Fixed: 442910
Change-Id: I3d8ac2660dc9cc9bdcfe471593401b96b2afac6b
diff --git a/project/copper.mk b/project/msm8974.mk
similarity index 93%
rename from project/copper.mk
rename to project/msm8974.mk
index 00c7c5f..f8dd988 100644
--- a/project/copper.mk
+++ b/project/msm8974.mk
@@ -2,7 +2,7 @@
 #
 LOCAL_DIR := $(GET_LOCAL_DIR)
 
-TARGET := copper
+TARGET := msm8974
 
 MODULES += app/aboot