lmb: Move enum lmb_flags to a u32

LMB flags is not an enum anymore. It's currently used as a bitmask
in various places of our code. So make it a u32 which is more
appropriate when dealing with masks.

Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Tested-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
4 files changed