kernel: bump 6.6 to 6.6.78

kernel: bump 6.6 to 6.6.78

Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.78

Removed upstreamed:
	bcm27xx/patches-6.6/950-0487-drivers-media-imx296-Add-standby-delay-during-probe.patch[1]
	mediatek/patches-6.6/256-clk-mediatek-mt2701-vdec-fix-conversion-to-mtk_clk_s.patch[2]
	mediatek/patches-6.6/257-clk-mediatek-mt2701-aud-fix-conversion-to-mtk_clk_si.patch[3]
	mediatek/patches-6.6/258-clk-mediatek-mt2701-bdp-add-missing-dummy-clk.patch[4]
	mediatek/patches-6.6/259-clk-mediatek-mt2701-mm-add-missing-dummy-clk.patch[5]
	mediatek/patches-6.6/260-clk-mediatek-mt2701-img-add-missing-dummy-clk.patch[6]

All other patches automatically rebased.

1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.78&id=25abffee5ceb6691ecd4f089be2bb28842e2d2fd
2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.78&id=b6c5237ab7af82c9f1d8d772dbf309bb4aadfdbb
3. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.78&id=20210b5c775d2d96f706591c64bc2ad975c37eaf
4. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.78&id=a1fa3dda6bf0b7ecd95fa8f9125e5486b699a81f
5. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.78&id=fc60e9357f15372698da373ee76de8f52d22aac2
6. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.78&id=6f4868e6b2887b55531bc8e0a4106ef0150e6326

Build system: x86/64
Build-tested: bcm27xx/bcm2712, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3, x86/64
Run-tested: bcm27xx/bcm2712, 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/18000
Signed-off-by: Robert Marko <robimarko@gmail.com>