Skip cross-compilation on armv7 because, among many other errors,
it fails with the following:
In file included from ../../include/common/lock.h:9,
from ../../criu/include/files.h:9,
from amdgpu_plugin.c:30:
../../include/common/asm/atomic.h:60:2: error: #error ARM architecture version (CONFIG_ARMV*) not set or unsupported.
60 | #error ARM architecture version (CONFIG_ARMV*) not set or unsupported.
| ^~~~~
../../include/common/asm/atomic.h: In function 'atomic_add_return':
../../include/common/asm/atomic.h:81:9: error: implicit declaration of function 'smp_mb' [-Werror=implicit-function-declaration]
81 | smp_mb();
| ^~~~~~
Signed-off-by: Radostin Stoyanov <rstoyanov@fedoraproject.org>