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/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index fdbc36f..03fdc5a 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -556,7 +556,7 @@
 	  PMICs through RPC.
 
 config GPIO_QPNP_PIN
-	depends on ARCH_MSMCOPPER
+	depends on ARCH_MSM8974
 	depends on SPMI
 	depends on OF_SPMI
 	depends on MSM_QPNP_INT