mpc83xx: clean up mpc8360emds.c warnings

mpc8360emds.c: In function 'ft_board_setup':
mpc8360emds.c:327: warning: assignment makes pointer from integer without a cast
mpc8360emds.c:329: warning: passing argument 2 of 'fdt_getprop' makes integer from pointer without a cast
mpc8360emds.c:334: warning: passing argument 2 of 'fdt_setprop' makes integer from pointer without a cast
mpc8360emds.c:341: warning: assignment makes pointer from integer without a cast
mpc8360emds.c:343: warning: passing argument 2 of 'fdt_getprop' makes integer from pointer without a cast
mpc8360emds.c:348: warning: passing argument 2 of 'fdt_setprop' makes integer from pointer without a cast

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>