Require the pmbootstrap version where building kernels for armhf is
fixed (triplet change is involved), and where the abuild-tar-workaround
for aarch64 is not used anymore (so we can remove the package in
pmaports).
Require latest pmbootstrap version, because it supports depends in
depends in the APKBUILD parser, and is able to properly test
UEVENT_HELPER, LBDAP kconfig options (they must depend on the kernel
version).
This version has the "crossdirect" package, which will be required for
the new pmbootstrap code that uses the crossdirect compilation method by
default.
