imx8m: clock: Fix oscillator values

OSC_27M_CLK should return 27MHz and OSC_32K_CLK should return
32768Hz to reflect the reality.

This also keeps the values in sync with the Linux clock tree.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
diff --git a/arch/arm/mach-imx/imx8m/clock.c b/arch/arm/mach-imx/imx8m/clock.c
index 3766d98..289b941 100644
--- a/arch/arm/mach-imx/imx8m/clock.c
+++ b/arch/arm/mach-imx/imx8m/clock.c
@@ -250,9 +250,9 @@
 	case OSC_25M_CLK:
 		return 25000000;
 	case OSC_27M_CLK:
-		return 25000000;
+		return 27000000;
 	case OSC_32K_CLK:
-		return 32000;
+		return 32768;
 	case ARM_PLL_CLK:
 		return decode_frac_pll(root_src);
 	case SYSTEM_PLL1_800M_CLK: