serprog.c: Remove unneeded 'else'

'else' is not needed after a 'break' or 'return'.

Change-Id: I9015020889c25ecbd391a18f56f99affc8ea307d
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/33348
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
diff --git a/serprog.c b/serprog.c
index c3d48a4..b7ef35c 100644
--- a/serprog.c
+++ b/serprog.c
@@ -937,9 +937,8 @@
 	 * needed for non-SPI chips). Below we make sure that the requested range is within this window. */
 	if ((phys_addr & 0xFF000000) == 0xFF000000) {
 		return (void*)phys_addr;
-	} else {
-		msg_pwarn(MSGHEADER "requested mapping %s is incompatible: 0x%zx bytes at 0x%0*" PRIxPTR ".\n",
-			  descr, len, PRIxPTR_WIDTH, phys_addr);
-		return NULL;
 	}
+	msg_pwarn(MSGHEADER "requested mapping %s is incompatible: 0x%zx bytes at 0x%0*" PRIxPTR ".\n",
+		  descr, len, PRIxPTR_WIDTH, phys_addr);
+	return NULL;
 }