NFC: mei_phy: Clean up file

Fix checkpatch warnings.
Replace __attribute__((__packed__)) with __packed.
Replace spaces with tabs.
Signed-off-by: Valentin Ilie <valentin.ilie@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

drivers/nfc/mei_phy.c

@@ -30,7 +30,7 @@ struct mei_nfc_hdr {
 	u16 req_id;
 	u32 reserved;
 	u16 data_size;
-} __attribute__((packed));
+} __packed;
 
 #define MEI_NFC_MAX_READ (MEI_NFC_HEADER_SIZE + MEI_NFC_MAX_HCI_PAYLOAD)