ngd_slim: Ignore pm_runtime_get error when runtime-pm is not enabled

Controller power-up uses different code-path when runtime-pm is not
enabled.

Change-Id: Ibe2f119fd8f43edb657f8f623879dea4730811f4
Signed-off-by: Sagar Dharia <sdharia@codeaurora.org>
1 file changed