imx6: clock: print real pixel clock rate

Add debug messages to print the real pixel clock rate, which may not be
the requested one.

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
diff --git a/arch/arm/mach-imx/mx6/clock.c b/arch/arm/mach-imx/mx6/clock.c
index 267d86a..1bdc568 100644
--- a/arch/arm/mach-imx/mx6/clock.c
+++ b/arch/arm/mach-imx/mx6/clock.c
@@ -802,6 +802,7 @@
 		}
 
 		enable_lcdif_clock(base_addr, 1);
+		debug("pixel clock = %u\n", mxc_get_clock(MXC_LCDIF1_CLK));
 	} else if (is_mx6sx()) {
 		/* Setting LCDIF2 for i.MX6SX */
 		if (enable_pll_video(pll_div, pll_num, pll_denom, post_div))
@@ -823,6 +824,7 @@
 				 MXC_CCM_CSCMR1_LCDIF2_PODF_OFFSET));
 
 		enable_lcdif_clock(base_addr, 1);
+		debug("pixel clock = %u\n", mxc_get_clock(MXC_LCDIF2_CLK));
 	}
 }