* Guards of sec_debug.h include removed in those files that call
functions declared in that header. The header defines empty
functions when CONFIG_SEC_DEBUG is not defined.
* Expose extern declaration of sec_class in qpnp-power-on.c when
CONFIG_SEC_DEBUG is not defined.
* Guard debug level sysfs tuneables.
Change-Id: I4e8b1ae7dd1dce0dec5434da64832165b2659aff
Signed-off-by: Kevin F. Haggerty <haggertk@lineageos.org>