powerpc/mpc83xx: sparse fixes

fdt.c:91:78: warning: Using plain integer as NULL pointer
fdt.c:103:78: warning: Using plain integer as NULL pointer
speed.c:55:11: warning: symbol 'corecnf_tab' was not declared. Should it be static?
speed.c:519:5: warning: symbol 'do_clocks' was not declared. Should it be static?
mpc8313erdb.c:73:17: warning: obsolete struct initializer, use C99 syntax
mpc8313erdb.c:74:17: warning: obsolete struct initializer, use C99 syntax
mpc8313erdb.c:75:17: warning: obsolete struct initializer, use C99 syntax
mpc8313erdb.c:76:17: warning: obsolete struct initializer, use C99 syntax
mpc8313erdb.c:79:17: warning: obsolete struct initializer, use C99 syntax
mpc8313erdb.c:80:17: warning: obsolete struct initializer, use C99 syntax
mpc8313erdb.c:81:17: warning: obsolete struct initializer, use C99 syntax
mpc8313erdb.c:82:17: warning: obsolete struct initializer, use C99 syntax
mpc8313erdb.c:85:17: warning: obsolete struct initializer, use C99 syntax
mpc8313erdb.c:86:17: warning: obsolete struct initializer, use C99 syntax
mpc8313erdb.c:87:17: warning: obsolete struct initializer, use C99 syntax
mpc8313erdb.c:88:17: warning: obsolete struct initializer, use C99 syntax

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
diff --git a/arch/powerpc/cpu/mpc83xx/speed.c b/arch/powerpc/cpu/mpc83xx/speed.c
index fb0f7aa..b8c05d1 100644
--- a/arch/powerpc/cpu/mpc83xx/speed.c
+++ b/arch/powerpc/cpu/mpc83xx/speed.c
@@ -52,7 +52,7 @@
 	mult_t vco_divider;
 } corecnf_t;
 
-corecnf_t corecnf_tab[] = {
+static corecnf_t corecnf_tab[] = {
 	{_byp, _byp},		/* 0x00 */
 	{_byp, _byp},		/* 0x01 */
 	{_byp, _byp},		/* 0x02 */
@@ -531,7 +531,7 @@
 	return gd->mem_clk;
 }
 
-int do_clocks (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+static int do_clocks(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	char buf[32];