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/vexpress_common.h b/include/configs/vexpress_common.h
index 705a941..3fc70de 100644
--- a/include/configs/vexpress_common.h
+++ b/include/configs/vexpress_common.h
@@ -116,7 +116,7 @@
 #define CFG_SYS_TIMER_COUNTER	(V2M_TIMER01 + 0x4)
 
 /* PL011 Serial Configuration */
-#define CONFIG_PL011_CLOCK		24000000
+#define CFG_PL011_CLOCK		24000000
 #define CONFIG_PL01x_PORTS		{(void *)CFG_SYS_SERIAL0, \
 					 (void *)CFG_SYS_SERIAL1}