Remove all checkpatch errors from codebase

Exclude stdlib files because they do not follow kernel code style.

Fixes ARM-software/tf-issues#73

Change-Id: I4cfafa38ab436f5ab22c277cb38f884346a267ab
diff --git a/plat/fvp/fvp_gic.c b/plat/fvp/fvp_gic.c
index 3156da9..a48b29b 100644
--- a/plat/fvp/fvp_gic.c
+++ b/plat/fvp/fvp_gic.c
@@ -324,7 +324,7 @@
  * the GIC cpu interface. INTR_TYPE_INVAL is returned when there is no
  * interrupt pending.
  ******************************************************************************/
-uint32_t plat_ic_get_pending_interrupt_type()
+uint32_t plat_ic_get_pending_interrupt_type(void)
 {
 	uint32_t id, gicc_base;
 
@@ -346,7 +346,7 @@
  * the GIC cpu interface. INTR_ID_UNAVAILABLE is returned when there is no
  * interrupt pending.
  ******************************************************************************/
-uint32_t plat_ic_get_pending_interrupt_id()
+uint32_t plat_ic_get_pending_interrupt_id(void)
 {
 	uint32_t id, gicc_base;
 
@@ -370,7 +370,7 @@
  * This functions reads the GIC cpu interface Interrupt Acknowledge register
  * to start handling the pending interrupt. It returns the contents of the IAR.
  ******************************************************************************/
-uint32_t plat_ic_acknowledge_interrupt()
+uint32_t plat_ic_acknowledge_interrupt(void)
 {
 	return gicc_read_IAR(fvp_get_cfgvar(CONFIG_GICC_ADDR));
 }