src/drivers: Drop unneeded empty lines

Change-Id: I202e5d285612b9bf237b588ea3c006187623fdc3
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44609
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>

src/drivers/crb/tis.c

@@ -30,7 +30,6 @@ static const char *tis_get_dev_name(struct tpm2_info *info)
 	return "Unknown";
 }
 
-
 int tis_open(void)
 {
 	if (tpm_is_open) {
@@ -79,7 +78,6 @@ int tis_init(void)
 	return 0;
 }
 
-
 int tis_sendrecv(const uint8_t *sendbuf, size_t sbuf_size, uint8_t *recvbuf, size_t *rbuf_len)
 {
 	int len = tpm2_process_command(sendbuf, sbuf_size, recvbuf, *rbuf_len);