WIP: OpenWrt: bump to v23.05

Bump core, packages and routing.

Remove upstreamed build patches.

Signed-off-by: Fabian Bläse <fabian@blaese.de>

build_patches/openwrt/0050-ipq40xx-restore-label-mac-alias.patch

@@ -1,17 +1,6 @@
 From: =?UTF-8?q?Fabian=20Bl=C3=A4se?= <fabian@blaese.de>
 Date: Sun, 6 Aug 2023 19:57:16 +0200
-Subject: [PATCH 1/2] ipq40xx: re-add label MAC address for FritzBox 4040
-
-The MAC address of the GMAC is contained inside the CWMP-Account
-number on the label.
-
-The label MAC address alias was defined previously, but it has been
-removed with the switch to IPQESS / DSA.
-
-Restore the label MAC address alias.
-
-Fixes: 27b441cbaf42 ("ipq40xx: drop ESSEDMA + AR40xx DTS nodes")
-Signed-off-by: Fabian Bläse <fabian@blaese.de>
+Subject: [PATCH] ipq40xx: restore label mac alias
 
 diff --git a/target/linux/ipq40xx/files/arch/arm/boot/dts/qcom-ipq4018-fritzbox-4040.dts b/target/linux/ipq40xx/files/arch/arm/boot/dts/qcom-ipq4018-fritzbox-4040.dts
 index e448206c36..ec1112ee2b 100644

build_patches/openwrt/0051-ipq40xx-retain-old-compat_version.patch

@@ -1,17 +0,0 @@
-From: =?UTF-8?q?Fabian=20Bl=C3=A4se?= <fabian@blaese.de>
-Date: Tue, 8 Aug 2023 20:59:16 +0200
-Subject: [PATCH] ipq40xx: retain old compat_version
-
-diff --git a/target/linux/ipq40xx/image/Makefile b/target/linux/ipq40xx/image/Makefile
-index 2ba4c779a0..5851b29875 100644
---- a/target/linux/ipq40xx/image/Makefile
-+++ b/target/linux/ipq40xx/image/Makefile
-@@ -10,8 +10,6 @@ define Device/Default
- 	IMAGES := sysupgrade.bin
- 	IMAGE/sysupgrade.bin = sysupgrade-tar | append-metadata
- 	IMAGE/sysupgrade.bin/squashfs :=
--	DEVICE_COMPAT_VERSION := 1.1
--	DEVICE_COMPAT_MESSAGE := Config cannot be migrated from swconfig to DSA
- endef
- 
- include $(SUBTARGET).mk