[Change and sync linux version from OpenWRT]

[Description]
Change and sync linux version from OpenWRT
1. sync kernel to Openwrt21.02 : v5.4.188
2. sync mtk kernel patch from mtk_feed

[Release-log]
N/A

diff --git a/recipes-kernel/linux/linux-mediatek-5.4/generic/pending-5.4/743-net-sfp-add-module-start-stop-upstream-notifications.patch b/recipes-kernel/linux/linux-mediatek-5.4/generic/pending-5.4/743-net-sfp-add-module-start-stop-upstream-notifications.patch
index ba1b5b5..5020013 100644
--- a/recipes-kernel/linux/linux-mediatek-5.4/generic/pending-5.4/743-net-sfp-add-module-start-stop-upstream-notifications.patch
+++ b/recipes-kernel/linux/linux-mediatek-5.4/generic/pending-5.4/743-net-sfp-add-module-start-stop-upstream-notifications.patch
@@ -78,7 +78,7 @@
  	[SFP_S_WAIT] = "wait",
  	[SFP_S_INIT] = "init",
  	[SFP_S_INIT_TX_FAULT] = "init_tx_fault",
-@@ -1918,6 +1920,8 @@ static void sfp_sm_main(struct sfp *sfp,
+@@ -1926,6 +1928,8 @@ static void sfp_sm_main(struct sfp *sfp,
  		if (sfp->sm_state == SFP_S_LINK_UP &&
  		    sfp->sm_dev_state == SFP_DEV_UP)
  			sfp_sm_link_down(sfp);
@@ -87,7 +87,7 @@
  		if (sfp->mod_phy)
  			sfp_sm_phy_detach(sfp);
  		sfp_module_tx_disable(sfp);
-@@ -1985,6 +1989,10 @@ static void sfp_sm_main(struct sfp *sfp,
+@@ -1993,6 +1997,10 @@ static void sfp_sm_main(struct sfp *sfp,
  			 * clear.  Probe for the PHY and check the LOS state.
  			 */
  			sfp_sm_probe_for_phy(sfp);