modutils-initscripts: Fix modules.dep creation when USE_DEPMOD="0"
When having USE_DEPMOD="0" it is expected that in the first boot that
the modules.dep is generated. To achieve this we need to check if
modules.dep exists and has a size greater than zero. This verification
also needs to be done regardless of whether the /etc/modules or
/etc/modules-load.d directories exist.
Signed-off-by: Diego Sueiro <diego.sueiro@arm.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
