kernel: bump 5.4 to 5.4.90

All modification made by update_kernel.sh in a fresh clone without
existing toolchains.

Build system: x86_64
Build-tested: ipq806x/R7800, bcm27xx/bcm2711
Run-tested: ipq806x/R7800

No dmesg regressions, everything functional

Signed-off-by: John Audia <graysky@archlinux.us>
Tested-by: Curtis Deptuck <curtdept@me.com> [x86/64]

target/linux/generic/hack-5.4/221-module_exports.patch

@@ -56,7 +56,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  	}								\
  									\
  	/* __*init sections */						\
-@@ -885,6 +895,8 @@
+@@ -888,6 +898,8 @@
  	EXIT_TEXT							\
  	EXIT_DATA							\
  	EXIT_CALL							\

target/linux/mediatek/patches-5.4/0600-net-phylink-propagate-resolved-link-config-via-mac_l.patch

@@ -95,7 +95,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net>
  	}
  
  	netif_tx_start_all_queues(port->dev);
-@@ -5127,8 +5131,11 @@ static void mvpp2_mac_config(struct phyl
+@@ -5139,8 +5143,11 @@ static void mvpp2_mac_config(struct phyl
  	mvpp2_port_enable(port);
  }
  

target/linux/mediatek/patches-5.4/0601-net-dsa-propagate-resolved-link-config-via-mac_link_.patch

@@ -51,7 +51,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net>
  	struct ethtool_eee *p = &priv->dev->ports[port].eee;
 --- a/drivers/net/dsa/lantiq_gswip.c
 +++ b/drivers/net/dsa/lantiq_gswip.c
-@@ -1507,7 +1507,9 @@ static void gswip_phylink_mac_link_down(
+@@ -1508,7 +1508,9 @@ static void gswip_phylink_mac_link_down(
  static void gswip_phylink_mac_link_up(struct dsa_switch *ds, int port,
  				      unsigned int mode,
  				      phy_interface_t interface,