media: atomisp: remove #ifdef HAS_NO_HMEM

[ Upstream commit 63705da3 ]

This is not defined anywhere, so, solve the ifdefs, getting
rid of them.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Stable-dep-of: ed61c591 ("media: atomisp: Add check for rgby_data memory allocation failure")
Signed-off-by: Sasha Levin <sashal@kernel.org>