staging: ks7010: use u8 instead of unsigned char for firmware buffers

This commit replaces type unsigned char which is the one which
is being used for firmware buffers with u8 type which is preferred.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ks7010/ks7010_sdio.c

@@ -689,10 +689,10 @@ static int ks7010_sdio_update_index(struct ks_wlan_private *priv, u32 index)
 
 #define ROM_BUFF_SIZE (64 * 1024)
 static int ks7010_sdio_data_compare(struct ks_wlan_private *priv, u32 address,
-				    unsigned char *data, unsigned int size)
+				    u8 *data, unsigned int size)
 {
 	int ret;
-	unsigned char *read_buf;
+	u8 *read_buf;
 
 	read_buf = kmalloc(ROM_BUFF_SIZE, GFP_KERNEL);
 	if (!read_buf)
@@ -723,7 +723,7 @@ static int ks7010_copy_firmware(struct ks_wlan_private *priv,
 	unsigned int size;
 	unsigned int offset;
 	unsigned int n = 0;
-	unsigned char *rom_buf;
+	u8 *rom_buf;
 	int ret;
 
 	rom_buf = kmalloc(ROM_BUFF_SIZE, GFP_KERNEL);