am33xx: Add support, update omap3 McSPI driver

Signed-off-by: Tom Rini <trini@ti.com>
diff --git a/arch/arm/cpu/armv7/am33xx/clock.c b/arch/arm/cpu/armv7/am33xx/clock.c
index 1071f92..2b19506 100644
--- a/arch/arm/cpu/armv7/am33xx/clock.c
+++ b/arch/arm/cpu/armv7/am33xx/clock.c
@@ -148,6 +148,11 @@
 	writel(PRCM_MOD_EN, &cmper->cpgmac0clkctrl);
 	while ((readl(&cmper->cpgmac0clkctrl) & CPGMAC0_IDLE) != PRCM_FUNCTL)
 		;
+
+	/* spi0 */
+	writel(PRCM_MOD_EN, &cmper->spi0clkctrl);
+	while (readl(&cmper->spi0clkctrl) != PRCM_MOD_EN)
+		;
 }
 
 static void mpu_pll_config(void)