led: remove camel casing of led identifiers globally

Result of running the following command to address Wolfgang's
comment about camel case:

for file in `find . | grep '\.[chS]$'`; do perl -i -pe
's/(green|yellow|red|blue)_LED_(on|off)/$1_led_$2/g' $file; done

Discussion:
http://patchwork.ozlabs.org/patch/84988/

Signed-off-by: Jason Kridner <jkridner@beagleboard.org>
Signed-off-by: Joel A Fernandes <agnel.joel@gmail.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c
index a7fb251..85320bc 100644
--- a/arch/arm/lib/board.c
+++ b/arch/arm/lib/board.c
@@ -87,22 +87,22 @@
 inline void __coloured_LED_init(void) {}
 void coloured_LED_init(void)
 	__attribute__((weak, alias("__coloured_LED_init")));
-inline void __red_LED_on(void) {}
-void red_LED_on(void) __attribute__((weak, alias("__red_LED_on")));
-inline void __red_LED_off(void) {}
-void red_LED_off(void) __attribute__((weak, alias("__red_LED_off")));
-inline void __green_LED_on(void) {}
-void green_LED_on(void) __attribute__((weak, alias("__green_LED_on")));
-inline void __green_LED_off(void) {}
-void green_LED_off(void) __attribute__((weak, alias("__green_LED_off")));
-inline void __yellow_LED_on(void) {}
-void yellow_LED_on(void) __attribute__((weak, alias("__yellow_LED_on")));
-inline void __yellow_LED_off(void) {}
-void yellow_LED_off(void) __attribute__((weak, alias("__yellow_LED_off")));
-inline void __blue_LED_on(void) {}
-void blue_LED_on(void) __attribute__((weak, alias("__blue_LED_on")));
-inline void __blue_LED_off(void) {}
-void blue_LED_off(void) __attribute__((weak, alias("__blue_LED_off")));
+inline void __red_led_on(void) {}
+void red_led_on(void) __attribute__((weak, alias("__red_led_on")));
+inline void __red_led_off(void) {}
+void red_led_off(void) __attribute__((weak, alias("__red_led_off")));
+inline void __green_led_on(void) {}
+void green_led_on(void) __attribute__((weak, alias("__green_led_on")));
+inline void __green_led_off(void) {}
+void green_led_off(void) __attribute__((weak, alias("__green_led_off")));
+inline void __yellow_led_on(void) {}
+void yellow_led_on(void) __attribute__((weak, alias("__yellow_led_on")));
+inline void __yellow_led_off(void) {}
+void yellow_led_off(void) __attribute__((weak, alias("__yellow_led_off")));
+inline void __blue_led_on(void) {}
+void blue_led_on(void) __attribute__((weak, alias("__blue_led_on")));
+inline void __blue_led_off(void) {}
+void blue_led_off(void) __attribute__((weak, alias("__blue_led_off")));
 
 /*
  ************************************************************************