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/s5p4418_nanopi2.h b/include/configs/s5p4418_nanopi2.h
index bfe559f..0e7d019 100644
--- a/include/configs/s5p4418_nanopi2.h
+++ b/include/configs/s5p4418_nanopi2.h
@@ -76,7 +76,7 @@
 /*-----------------------------------------------------------------------
  * serial console configuration
  */
-#define CONFIG_PL011_CLOCK		50000000
+#define CFG_PL011_CLOCK		50000000
 #define CONFIG_PL01x_PORTS		{(void *)PHY_BASEADDR_UART0, \
 					 (void *)PHY_BASEADDR_UART1, \
 					 (void *)PHY_BASEADDR_UART2, \