soc/amd/stoneyridge/southbridge.c: Change comparison order

Comparison should place the constant on the right side. Southbridge.c has 6
instances where the opposite happens. Reverse the order of six comparisons
to eliminate checkpatch warnings:
WARNING: Comparisons should place the constant on the right side of the test

BUG=b:117656929
TEST=Build grunt.

Change-Id: I94f17b81f845fa94599f93c0be1144ffcb8e4165
Signed-off-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Reviewed-on: https://review.coreboot.org/29153
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/amd/stoneyridge/southbridge.c b/src/soc/amd/stoneyridge/southbridge.c
index b7ddd57..33330a8 100644
--- a/src/soc/amd/stoneyridge/southbridge.c
+++ b/src/soc/amd/stoneyridge/southbridge.c
@@ -53,22 +53,22 @@
 
 static int is_sata_config(void)
 {
-	return !((CONFIG_STONEYRIDGE_SATA_MODE == SataNativeIde)
-			|| (CONFIG_STONEYRIDGE_SATA_MODE == SataLegacyIde));
+	return !((SataNativeIde == CONFIG_STONEYRIDGE_SATA_MODE)
+			|| (SataLegacyIde == CONFIG_STONEYRIDGE_SATA_MODE));
 }
 
 static inline int sb_sata_enable(void)
 {
 	/* True if IDE or AHCI. */
-	return (CONFIG_STONEYRIDGE_SATA_MODE == SataNativeIde) ||
-		(CONFIG_STONEYRIDGE_SATA_MODE == SataAhci);
+	return (SataNativeIde == CONFIG_STONEYRIDGE_SATA_MODE) ||
+		(SataAhci == CONFIG_STONEYRIDGE_SATA_MODE);
 }
 
 static inline int sb_ide_enable(void)
 {
 	/* True if IDE or LEGACY IDE. */
-	return (CONFIG_STONEYRIDGE_SATA_MODE == SataNativeIde) ||
-		(CONFIG_STONEYRIDGE_SATA_MODE == SataLegacyIde);
+	return (SataNativeIde == CONFIG_STONEYRIDGE_SATA_MODE) ||
+		(SataLegacyIde == CONFIG_STONEYRIDGE_SATA_MODE);
 }
 
 void SetFchResetParams(FCH_RESET_INTERFACE *params)