mmc: dw_mmc: remove the exynos specific code in dw-mmc.c

dw-mmc.c is the general driver file.
So, remove the exynos specific code at dw-mmc.c.
Instead, exynos specific cod can be move into exynos-dw_mmc.c.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Acked-by: Alexey Brodkin <abrodkin@synopsys.com>
Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com>
Acked-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c
index 1e0f72b..38f50ce 100644
--- a/drivers/mmc/dw_mmc.c
+++ b/drivers/mmc/dw_mmc.c
@@ -11,7 +11,6 @@
 #include <mmc.h>
 #include <dwmmc.h>
 #include <asm-generic/errno.h>
-#include <asm/arch/dwmmc.h>
 
 #define PAGE_SIZE 4096
 
@@ -302,15 +301,8 @@
 	struct dwmci_host *host = (struct dwmci_host *)mmc->priv;
 	u32 fifo_size;
 
-	if (host->quirks & DWMCI_QUIRK_DISABLE_SMU) {
-		dwmci_writel(host, EMMCP_MPSBEGIN0, 0);
-		dwmci_writel(host, EMMCP_SEND0, 0);
-		dwmci_writel(host, EMMCP_CTRL0,
-			     MPSCTRL_SECURE_READ_BIT |
-			     MPSCTRL_SECURE_WRITE_BIT |
-			     MPSCTRL_NON_SECURE_READ_BIT |
-			     MPSCTRL_NON_SECURE_WRITE_BIT | MPSCTRL_VALID);
-	}
+	if (host->board_init)
+		host->board_init(host);
 
 	dwmci_writel(host, DWMCI_PWREN, 1);