Copy stable/11@r303970 to releng/11.0 as part of the 11.0-RELEASE
cycle.

Prune svn:mergeinfo from the new branch, and rename it to RC1.

Update __FreeBSD_version.

Use the quarterly branch for the default FreeBSD.conf pkg(8) repo and
the dvd1.iso packages population.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.
Prune svn:mergeinfo from the new branch, as nothing has been merged
here.

Additional commits post-branch will follow.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Ralink: Add more SoC compatible strings

Add more 'compatible' strings found in various LEDE DTS files.

Reviewed by: adrian
Approved by: adrian (mentor)
Sponsored by: Smartcom - Bulgaria AD
Differential Revision: https://reviews.freebsd.org/D6432

Allow RT3350 CPU clock to be detected as part of RT3050/RT3052 detection

OpenWRT's dts files treat RT3050/RT3052/RT3350 within the same SoC dtsi
file, so we need to distinguish between the three dynamically, mainly
because the bit we use to determine the clock speed on RT3050/RT3052
can actually be floating on RT3350 and RT3350 is always at 320MHz.

Approved by: adrian (mentor)
Sponsored by: Smartcom - Bulgaria AD
Differential Revision: https://reviews.freebsd.org/D5983

Mediatek/Ralink: Get our drivers closer to OpenWRT dts definitions

This revision gets our Mediatek/Ralink drivers closer to OpenWRT's dts
definitions, so we can reuse them with less modifications later in order
to bring support for a lot of boards at once.

Approved by: adrian (mentor)
Sponsored by: Smartcom - Bulgaria AD
Differential Revision: https://reviews.freebsd.org/D5961

Fix wrong memory mapping

In mtk_soc.c memory is mapped incorrectly for MT7621. This revision fixes
this.

Approved by: adrian (mentor)
Sponsored by: Smartcom - Bulgaria AD
Differential Revision: https://reviews.freebsd.org/D5882

This revision adds the following parts:

- machine dependent low level init code
- SoC clocks detection and some utility functions
- Common interface to read/write/modify SoC system control registers, used
by some of the other drivers and utility functions
- simple FDT resets support, based on the fdt_clock implementation already
in the tree. For the moment resets and clocks are managed using these
implementations. I am planning to port those to the new extres framework
in the future, but currently I simply don't have time to do this part too.

Approved by: adrian (mentor)
Sponsored by: Smartcom - Bulgaria AD
Differential Revision: https://reviews.freebsd.org/D5826