introduce MKFIRMWARE that controls where (most) of the contents
of /libdata/firmware and /usr/libdata/firmware are not installed
if set to "no". from the bsd.README:

MKFIRMWARE If "no", instal

introduce MKFIRMWARE that controls where (most) of the contents
of /libdata/firmware and /usr/libdata/firmware are not installed
if set to "no". from the bsd.README:

MKFIRMWARE If "no", install the /libdata/firmware directory,
which is necessary for several drivers: athn(4), bwfm(4),
ipw(4), iwi(4), iwm(4), iwn(4), otus(4), rtwn(4), urtwn(4),
wpi(4), ral(4), rum(4), run(4), zyd(4), bcm43xx(4), and
the Tegra 124 SoC.
Default: yes on amd64, cobalt, evbarm evbmips, evbppc, hpcarm,
hppa, i386, mac68k, macppc, sandpoint, and sparc64, no elsewhere.

convert MKRADEONFIRMWARE and MKTEGRAFIRMWARE into FOO.arch lists,
and move their defaults above the general defaults setting.

saves about 12MB in a normal installation for other platforms.

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Use /libdata/firmware/run instead of /libdata/firmware/rum for run(4) firmwares.

Add a driver for Ralink Technology RT2700U/RT2800U/RT3000U USB IEEE
802.11a/b/g/n wireless network devices, ported from OpenBSD by FUKAUMI Naoki,
arranged by me.

Add rum(4) for newer USB Ralink devices. Obtained from OpenBSD.
Special thanks to Sepherosa Ziehau for helping debugging USB issues.
Hook up rum(4) for i386 config files.