msm: 8974: rename copper to 8974

The official name for copper is MSM8974.
Switch to it.

Change-Id: Ifb241232111139912477bf7b5f2e9cf5d38d0f9e
Signed-off-by: Abhimanyu Kapur <abhimany@codeaurora.org>
diff --git a/arch/arm/mach-msm/gdsc.c b/arch/arm/mach-msm/gdsc.c
index f91e3dc..4665aec 100644
--- a/arch/arm/mach-msm/gdsc.c
+++ b/arch/arm/mach-msm/gdsc.c
@@ -197,4 +197,4 @@
 module_exit(gdsc_exit);
 
 MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("Copper GDSC power rail regulator driver");
+MODULE_DESCRIPTION("MSM8974 GDSC power rail regulator driver");