arch/powerpc/lib/board.c, *traps.c: sparse fixes

traps.c:*:1: warning: symbol 'print_backtrace' was not declared. Should it be static?
traps.c:93:1: warning: symbol '_exception' was not declared. Should it be static?
board.c:166:6: warning: symbol '__board_add_ram_info' was not declared. Should it be static?
board.c:174:5: warning: symbol '__board_flash_wp_on' was not declared. Should it be static?
board.c:187:6: warning: symbol '__cpu_secondary_init_r' was not declared. Should it be static?
board.c:265:12: warning: symbol 'init_sequence' was not declared. Should it be static?
board.c:348:5: warning: symbol '__fixup_cpu' was not declared. Should it be static?
board.c:405:53: warning: Using plain integer as NULL pointer

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
diff --git a/arch/powerpc/cpu/ppc4xx/traps.c b/arch/powerpc/cpu/ppc4xx/traps.c
index 9baa7a1..dae19cb 100644
--- a/arch/powerpc/cpu/ppc4xx/traps.c
+++ b/arch/powerpc/cpu/ppc4xx/traps.c
@@ -74,8 +74,7 @@
  * Trap & Exception support
  */
 
-void
-print_backtrace(unsigned long *sp)
+static void print_backtrace(unsigned long *sp)
 {
 	int cnt = 0;
 	unsigned long i;
@@ -95,7 +94,7 @@
 	printf("\n");
 }
 
-void show_regs(struct pt_regs * regs)
+void show_regs(struct pt_regs *regs)
 {
 	int i;
 
@@ -121,16 +120,14 @@
 }
 
 
-void
-_exception(int signr, struct pt_regs *regs)
+static void _exception(int signr, struct pt_regs *regs)
 {
 	show_regs(regs);
 	print_backtrace((unsigned long *)regs->gpr[1]);
 	panic("Exception");
 }
 
-void
-MachineCheckException(struct pt_regs *regs)
+void MachineCheckException(struct pt_regs *regs)
 {
 	unsigned long fixup, val;
 #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
@@ -312,8 +309,7 @@
 	panic("machine check");
 }
 
-void
-AlignmentException(struct pt_regs *regs)
+void AlignmentException(struct pt_regs *regs)
 {
 #if defined(CONFIG_CMD_KGDB)
 	if (debugger_exception_handler && (*debugger_exception_handler)(regs))
@@ -325,8 +321,7 @@
 	panic("Alignment Exception");
 }
 
-void
-ProgramCheckException(struct pt_regs *regs)
+void ProgramCheckException(struct pt_regs *regs)
 {
 	long esr_val;
 
@@ -349,8 +344,7 @@
 	panic("Program Check Exception");
 }
 
-void
-DecrementerPITException(struct pt_regs *regs)
+void DecrementerPITException(struct pt_regs *regs)
 {
 	/*
 	 * Reset PIT interrupt
@@ -364,8 +358,7 @@
 }
 
 
-void
-UnknownException(struct pt_regs *regs)
+void UnknownException(struct pt_regs *regs)
 {
 #if defined(CONFIG_CMD_KGDB)
 	if (debugger_exception_handler && (*debugger_exception_handler)(regs))
@@ -377,8 +370,7 @@
 	_exception(0, regs);
 }
 
-void
-DebugException(struct pt_regs *regs)
+void DebugException(struct pt_regs *regs)
 {
 	printf("Debugger trap at @ %lx\n", regs->nip );
 	show_regs(regs);