target/platform: msm8952: Add msm8976 version 1.1 support

For msm8976 version 1.1 there is a change in the SDCC1 GPLL
from where the clock frequency is derived, added a check to
modify the values.

Change-Id: I8d633bd59d2a5984eda62bbf4d165adcfb51f5b5
diff --git a/include/platform.h b/include/platform.h
index 9c8e698..0ba5f56 100644
--- a/include/platform.h
+++ b/include/platform.h
@@ -66,6 +66,7 @@
 int platform_is_msm8909();
 int platform_is_msm8992();
 int platform_is_msm8956();
+uint32_t platform_is_msm8976_v_1_1();
 int boot_device_mask(int);
 uint32_t platform_detect_panel();
 uint32_t platform_get_max_periph();