apq8084: Add support and enable sdhci driver

Change-Id: I6589dd0f2d15d41569695966e27b13e0f51d3f9a
diff --git a/platform/apq8084/include/platform/iomap.h b/platform/apq8084/include/platform/iomap.h
index 9d6f15b..7e6e7d5 100644
--- a/platform/apq8084/include/platform/iomap.h
+++ b/platform/apq8084/include/platform/iomap.h
@@ -131,4 +131,11 @@
 /* DRV strength for sdcc */
 #define SDC1_HDRV_PULL_CTL           (TLMM_BASE_ADDR + 0x00002044)
 
+/* SDHCI */
+#define SDCC_MCI_HC_MODE            (0x00000078)
+#define SDCC_HC_PWRCTL_STATUS_REG   (0x000000DC)
+#define SDCC_HC_PWRCTL_MASK_REG     (0x000000E0)
+#define SDCC_HC_PWRCTL_CLEAR_REG    (0x000000E4)
+#define SDCC_HC_PWRCTL_CTL_REG      (0x000000E8)
+
 #endif