UPSTREAM: linux/random.h: Use false with bool

Keep the generic fallback versions in sync with the other architecture
specific implementations and use the proper name for false.

Suggested-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20200110145422.49141-6-broonie@kernel.org


Signed-off-by: Theodore Ts'o <tytso@mit.edu>
(cherry picked from commit 66f5ae899ada79c0e9a3d8d954f93a72344cd350)
Signed-off-by: Mark Salyzyn <salyzyn@google.com>
Bug: 148665638
Change-Id: I2919a2ce44c05c1e62db731680eb0e542983e893