[Bug 1942806] Re: Unmatched enable poweroff, LEDs, mmap PCI

** Description changed: [Impact]  * Unable to use gpio-poweroff driver to poweroff via u-boot/opensbi/kernel  * Unable to use LED colors  * Unable to mmap PCI resources  * Cherrypick dtb changes from meta-sifive 2021.08 release https://github.com/sifive/meta-sifive/tree/2021.08/r

[Bug 1942806] Re: Unmatched enable poweroff, LEDs, mmap PCI

** Description changed: [Impact] - * Unable to use gpio-poweroff driver to poweroff via u-boot/opensbi/kernel - * Unable to use LED colors - * Unable to mmap PCI resources +  * Unable to use gpio-poweroff driver to poweroff via u-boot/opensbi/kernel +  * Unable to use LED colors +  * Unabl