mx6: clock: Allow enable_ipu_clock() to be built for SPL code

Allow enable_ipu_clock() to be built for SPL code. This is done
in preparation for configuring the NoC registers on i.MX6QP in SPL.
Signed-off-by: NFabio Estevam <festevam@gmail.com>
Signed-off-by: NOtavio Salvador <otavio@ossystems.com.br>

arch/arm/mach-imx/mx6/clock.c

@@ -1275,6 +1275,22 @@ unsigned int mxc_get_clock(enum mxc_clock clk)
 	return 0;
 }
 
+#ifndef CONFIG_MX6SX
+void enable_ipu_clock(void)
+{
+	struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+	int reg;
+	reg = readl(&mxc_ccm->CCGR3);
+	reg |= MXC_CCM_CCGR3_IPU1_IPU_MASK;
+	writel(reg, &mxc_ccm->CCGR3);
+
+	if (is_mx6dqp()) {
+		setbits_le32(&mxc_ccm->CCGR6, MXC_CCM_CCGR6_PRG_CLK0_MASK);
+		setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_IPU2_IPU_MASK);
+	}
+}
+#endif
+
 #ifndef CONFIG_SPL_BUILD
 /*
  * Dump some core clockes.
@@ -1311,22 +1327,6 @@ int do_mx6_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	return 0;
 }
 
-#ifndef CONFIG_MX6SX
-void enable_ipu_clock(void)
-{
-	struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
-	int reg;
-	reg = readl(&mxc_ccm->CCGR3);
-	reg |= MXC_CCM_CCGR3_IPU1_IPU_MASK;
-	writel(reg, &mxc_ccm->CCGR3);
-
-	if (is_mx6dqp()) {
-		setbits_le32(&mxc_ccm->CCGR6, MXC_CCM_CCGR6_PRG_CLK0_MASK);
-		setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_IPU2_IPU_MASK);
-	}
-}
-#endif
-
 #if defined(CONFIG_MX6Q) || defined(CONFIG_MX6D) || defined(CONFIG_MX6DL) || \
 	defined(CONFIG_MX6S)
 static void disable_ldb_di_clock_sources(void)