imx6: disable clock command and print_cpuinfo code in SPL

We do not use print_cpuinfo and clock command code in SPL,
disable it when building SPL image.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
diff --git a/arch/arm/mach-imx/mx6/clock.c b/arch/arm/mach-imx/mx6/clock.c
index 0e019c4..71a9e6b 100644
--- a/arch/arm/mach-imx/mx6/clock.c
+++ b/arch/arm/mach-imx/mx6/clock.c
@@ -1220,6 +1220,20 @@
 	enable_pll3();
 }
 
+#ifdef CONFIG_MTD_NOR_FLASH
+void enable_eim_clk(unsigned char enable)
+{
+	u32 reg;
+
+	reg = __raw_readl(&imx_ccm->CCGR6);
+	if (enable)
+		reg |= MXC_CCM_CCGR6_EMI_SLOW_MASK;
+	else
+		reg &= ~MXC_CCM_CCGR6_EMI_SLOW_MASK;
+	__raw_writel(reg, &imx_ccm->CCGR6);
+}
+#endif
+
 unsigned int mxc_get_clock(enum mxc_clock clk)
 {
 	switch (clk) {
@@ -1262,6 +1276,7 @@
 	return 0;
 }
 
+#ifndef CONFIG_SPL_BUILD
 /*
  * Dump some core clockes.
  */
@@ -1463,20 +1478,6 @@
 }
 #endif
 
-#ifdef CONFIG_MTD_NOR_FLASH
-void enable_eim_clk(unsigned char enable)
-{
-	u32 reg;
-
-	reg = __raw_readl(&imx_ccm->CCGR6);
-	if (enable)
-		reg |= MXC_CCM_CCGR6_EMI_SLOW_MASK;
-	else
-		reg &= ~MXC_CCM_CCGR6_EMI_SLOW_MASK;
-	__raw_writel(reg, &imx_ccm->CCGR6);
-}
-#endif
-
 /***************************************************/
 
 U_BOOT_CMD(
@@ -1484,3 +1485,4 @@
 	"display clocks",
 	""
 );
+#endif