drivers/net/enc28j60.c: Fix GCC 4.6 warnings

Fix:
enc28j60.c: In function 'enc_receive':
enc28j60.c:435:5: warning: variable 'eir_reg' set but not used
[-Wunused-but-set-variable]
enc28j60.c: In function 'enc_poll':
enc28j60.c:503:5: warning: variable 'estat_reg' set but not used
[-Wunused-but-set-variable]

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