ARM: rmobile: salvator-x: Remove GSX clock force supply

GSX clock force supply code is unnecessary at U-Boot,
because GSX clock control is supported at the kernel driver.

Signed-off-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>

board/renesas/salvator-x/salvator-x.c

@@ -31,7 +31,6 @@ void s_init(void)
 {
 }
 
-#define GSX_MSTP112		BIT(12)	/* 3DG */
 #define SCIF2_MSTP310		BIT(10)	/* SCIF2 */
 #define DVFS_MSTP926		BIT(26)
 #define HSUSB_MSTP704		BIT(4)	/* HSUSB */
@@ -60,20 +59,9 @@ int board_early_init_f(void)
 
 int board_init(void)
 {
-	u32 cpu_type = rmobile_get_cpu_type();
-
 	/* adress of boot parameters */
 	gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000;
 
-	if (cpu_type == RMOBILE_CPU_TYPE_R8A7795) {
-		/* GSX: force power and clock supply */
-		writel(0x0000001F, SYSC_PWRONCR2);
-		while (readl(SYSC_PWRSR2) != 0x000003E0)
-			mdelay(20);
-
-		mstp_clrbits_le32(MSTPSR1, SMSTPCR1, GSX_MSTP112);
-	}
-
 	/* USB1 pull-up */
 	setbits_le32(PFC_PUEN6, PUEN_USB1_OVC | PUEN_USB1_PWEN);