imx: mx7d: clock support for RDC

If CONFIG_IMX_RDC is enabled, enable clock for RDC and SEMAPHORE.

Signed-off-by: Peng Fan <peng.fan@nxp.com>

arch/arm/cpu/armv7/mx7/clock.c

@@ -1067,6 +1067,12 @@ void clock_init(void)
 #ifdef CONFIG_NAND_MXS
 	clock_enable(CCGR_RAWNAND, 1);
 #endif
+
+	if (IS_ENABLED(CONFIG_IMX_RDC)) {
+		clock_enable(CCGR_RDC, 1);
+		clock_enable(CCGR_SEMA1, 1);
+		clock_enable(CCGR_SEMA2, 1);
+	}
 }
 
 #ifdef CONFIG_SECURE_BOOT