drivers/net/cs8900.c: Fix GCC 4.6 warning

Fix:
cs8900.c: In function 'get_reg_init_bus':
cs8900.c:69:14: warning: variable 'c' set but not used
[-Wunused-but-set-variable]

Signed-off-by: Anatolij Gustschin <agust@denx.de>
1 file changed