copper: Add emmc driver support

Change-Id: I1bb5cf7d8510da41a622f5eaf55d47e06dabc412
diff --git a/platform/copper/include/platform/iomap.h b/platform/copper/include/platform/iomap.h
index 0bd1e68..8178ee1 100644
--- a/platform/copper/include/platform/iomap.h
+++ b/platform/copper/include/platform/iomap.h
@@ -44,6 +44,10 @@
 #define APCS_KPSS_WDT_BASE          (KPSS_BASE + 0x00017000)
 
 #define PERIPH_SS_BASE              0xF9800000
+#define MSM_SDC1_BASE               (PERIPH_SS_BASE + 0x00024000)
+#define MSM_SDC3_BASE               (PERIPH_SS_BASE + 0x00064000)
+#define MSM_SDC2_BASE               (PERIPH_SS_BASE + 0x000A4000)
+#define MSM_SDC4_BASE               (PERIPH_SS_BASE + 0x000E4000)
 #define BLSP2_BASE                  (PERIPH_SS_BASE + 0x00140000)
 #define BLSP2_UART2_BASE            (BLSP2_BASE + 0x1F000)