kernel: bump 6.6 to 6.6.94

kernel: bump 6.6 to 6.6.94

Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.94

Removed upstreamed:
	generic/backport-6.6/421-01-v6.16-spi-bcm63xx-spi-fix-shared-reset.patch[1]
	generic/backport-6.6/421-02-v6.16-spi-bcm63xx-hsspi-fix-shared-reset.patch[2]
	generic/backport-6.6/725-01-v6.16-net-dsa-tag_brcm-legacy-fix-pskb_may_pull-length.patch[3]
	mvebu/patches-6.6/0001-v6.16-pinctrl-armada-37xx-use-correct-OUTPUT_VAL-register-.patch[4]
	mvebu/patches-6.6/0002-v6.16-pinctrl-armada-37xx-set-GPIO-output-value-before-set.patch[5]

Added new back-port:
	generic/backport-6.6/001-powerpc-kernel-Fix-pcc_save_regs-inclusion.patch[6]
All other patches automatically rebased.

1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.94&id=29abb7fc82443bee273ba4623ce319bf7ba1d43d
2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.94&id=59d5f3134b5c265df233b7f385bbe718191411be
3. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.94&id=2e02edb66427e3b8752e1f3dd3cfc1bef3f2357b
4. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.94&id=39ed85ae485d991ffb24d25629a679c0b22e2d8f
5. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.94&id=8f0f45a312151a52aae920a091ea4b454ac97caf
6. Addresses a build failure for pcc

Build system: x86/64
Build-tested: flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3, x86/64
Run-tested: flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3, x86/64

Signed-off-by: John Audia <therealgraysky@proton.me>
Link: https://github.com/openwrt/openwrt/pull/19183
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>