media: sp887x: drop unneeded assignment

The pointer 'mem' was initialized to 'fw->data' but immediately after
that it was assigned 'fw->data + 10'. Lets remove the extra assignement
and initialize the pointer to the address its going to use.

Link: https://lore.kernel.org/linux-media/20210416235336.1552102-1-sudipm.mukherjee@gmail.com

Cc: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/dvb-frontends/sp887x.c

@@ -140,7 +140,7 @@ static int sp887x_initial_setup (struct dvb_frontend* fe, const struct firmware
 	u8 buf [BLOCKSIZE + 2];
 	int i;
 	int fw_size = fw->size;
-	const unsigned char *mem = fw->data;
+	const unsigned char *mem = fw->data + 10;
 
 	dprintk("%s\n", __func__);
 
@@ -148,8 +148,6 @@ static int sp887x_initial_setup (struct dvb_frontend* fe, const struct firmware
 	if (fw_size < FW_SIZE + 10)
 		return -ENODEV;
 
-	mem = fw->data + 10;
-
 	/* soft reset */
 	sp887x_writereg(state, 0xf1a, 0x000);