EDAC/amd64: Simplify return statement in dct_ecc_enabled()

Simplify the return statement to improve the code's readability.

No functional changes.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Reviewed-by: Yazen Ghannam <yazen.ghannam@amd.com>
Link: https://lore.kernel.org/r/20250201130953.1377-2-thorsten.blum@linux.dev

drivers/edac/amd64_edac.c

@@ -3354,10 +3354,7 @@ static bool dct_ecc_enabled(struct amd64_pvt *pvt)
 
 	edac_dbg(3, "Node %d: DRAM ECC %s.\n", nid, str_enabled_disabled(ecc_en));
 
-	if (!ecc_en || !nb_mce_en)
-		return false;
-	else
-		return true;
+	return ecc_en && nb_mce_en;
 }
 
 static bool umc_ecc_enabled(struct amd64_pvt *pvt)