global: Migrate CONFIG_PL011_CLOCK to CFG

Perform a simple rename of CONFIG_PL011_CLOCK to CFG_PL011_CLOCK

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/mxs.h b/include/configs/mxs.h
index 32e0e06..90cb1a5 100644
--- a/include/configs/mxs.h
+++ b/include/configs/mxs.h
@@ -77,7 +77,7 @@
  * DUART Serial Driver.
  * Conflicts with AUART driver which can be set by board.
  */
-#define CONFIG_PL011_CLOCK		24000000
+#define CFG_PL011_CLOCK		24000000
 #define CONFIG_PL01x_PORTS		{ (void *)MXS_UARTDBG_BASE }
 /* Default baudrate can be overridden by board! */