platform: msm8x60: Add flag for I2C_QUP

Add flag for I2C_QUP to selectively call
the functions for target, which have this
enabled.

Change-Id: I7c9389085541e6749ea6520464638c2a48c794e8
diff --git a/platform/msm8x60/rules.mk b/platform/msm8x60/rules.mk
index 5f58ee1..9b0f4f1 100644
--- a/platform/msm8x60/rules.mk
+++ b/platform/msm8x60/rules.mk
@@ -8,6 +8,7 @@
 
 MMC_SLOT         := 1
 
+DEFINES += DEFINE_GSBI_I2C=1
 DEFINES += WITH_CPU_EARLY_INIT=0 WITH_CPU_WARM_BOOT=0 \
 	   MMC_SLOT=$(MMC_SLOT) MDP4=1 \
 	   SSD_ENABLE TZ_TAMPER_FUSE