Disable for arm arches, because there it fails with:
[89/300] Compiling C object 'xcursor/c7765ab@@wlr_xcursor@sta/xcursor.c.o'.
FAILED: xcursor/c7765ab@@wlr_xcursor@sta/xcursor.c.o
gcc -Ixcursor/c7765ab@@wlr_xcursor@sta -Ixcursor ...
cc1: error: /home/pmos/build/pkg/mesa/usr/include: No such file or directory [-Werror=missing-include-dirs]
I suspect, that this relates to our custom mesa packaging, which is only
built for arm architectures currently. Phosh isn't running on anything
other than x86_64 so far in postmarketOS, so let's just disable wlroots
arm too until this is figured out.
[ci:skip-vercheck]: only modified the arch line
