util/ifdtool: Fix printing or setting PCH straps

When printing or setting the PCH straps use the PSL directly instead
of multiplying it by 4.

Change-Id: Ia91697fdf0c6d80502e8611b259c444f39c6cd57
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55753
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/util/ifdtool/ifdtool.c b/util/ifdtool/ifdtool.c
index bc62b48..e97efcc 100644
--- a/util/ifdtool/ifdtool.c
+++ b/util/ifdtool/ifdtool.c
@@ -700,11 +700,11 @@
 static void dump_fpsba(const fdbar_t *fdb, const fpsba_t *fpsba)
 {
 	unsigned int i;
-	/* SoC Strap Length, aka PSL, aka ISL */
-	unsigned int SSL = ((fdb->flmap1 >> 24) & 0xff) * sizeof(uint32_t);
+	/* SoC Straps, aka PSL, aka ISL */
+	unsigned int SS = (fdb->flmap1 >> 24) & 0xff;
 
 	printf("Found PCH Strap Section\n");
-	for (i = 0; i < SSL; i++)
+	for (i = 0; i < SS; i++)
 		printf("PCHSTRP%-3u: 0x%08x\n", i, fpsba->pchstrp[i]);
 
 	if (ifd_version >= IFD_VERSION_2) {
@@ -1362,10 +1362,10 @@
 		exit(EXIT_FAILURE);
 	}
 
-	/* SoC Strap Length, aka PSL, aka ISL */
-	int SSL = ((fdb->flmap1 >> 24) & 0xff) * sizeof(uint32_t);
-	if (strap >= SSL) {
-		fprintf(stderr, "Strap index %d out of range (max: %d)\n", strap, SSL);
+	/* SoC Strap, aka PSL, aka ISL */
+	int SS = (fdb->flmap1 >> 24) & 0xff;
+	if (strap >= SS) {
+		fprintf(stderr, "Strap index %d out of range (max: %d)\n", strap, SS);
 		exit(EXIT_FAILURE);
 	}
 	fpsba->pchstrp[strap] = value;