msm7630: Use 19.2MHz for DG timer/scheduling for eMMC boot

Change-Id: I7092619de6fa45a61a2cdbf7ede68d390700e528
diff --git a/platform/msm_shared/timer.c b/platform/msm_shared/timer.c
index 9bdb166..d1c0fe6 100644
--- a/platform/msm_shared/timer.c
+++ b/platform/msm_shared/timer.c
@@ -85,7 +85,11 @@
 #if defined PLATFORM_QSD8K
 #define DGT_HZ 4800000	/* Uses TCXO/4 (19.2 MHz / 4) */
 #elif defined PLATFORM_MSM7X30
+#if _EMMC_BOOT
+#define DGT_HZ 19200000	/* Uses TCXO (19.2 MHz) */
+#else
 #define DGT_HZ 6144000	/* Uses LPXO/4 (24.576 MHz / 4) */
+#endif
 #else
 #define DGT_HZ 19200000	/* Uses TCXO (19.2 MHz) */
 #endif