crypto: ccree - add missing inline qualifier

Commit 1358c13a ("crypto: ccree - fix resume race condition on init")
was missing a "inline" qualifier for stub function used when CONFIG_PM
is not set causing a build warning.

Fixes: 1358c13a ("crypto: ccree - fix resume race condition on init")
Cc: stable@kernel.org # v4.20
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>