Add path for postmarket os firmware package

diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 68dba891b8e..dacb6c373b1 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -279,7 +279,8 @@ static const char * const fw_path[] = {
 	"/etc/firmware",
 	"/etc/firmware/wlan",
 #endif /* CONFIG_QCOM_WIFI */
-	"/lib/firmware"
+	"/lib/firmware",
+	"/lib/firmware/postmarketos"
 };
 
 /*