crypto: ccp - Make ccp_dev_suspend and ccp_dev_resume void functions

Since ccp_dev_suspend() and ccp_dev_resume() only return 0 which causes
ret to equal 0 in sp_suspend and sp_resume, making the if condition
impossible to use. it might be a more appropriate fix to have these be
void functions and eliminate the if condition in sp_suspend() and
sp_resume().

Signed-off-by: Tian Tao <[email protected]>
Cc: Herbert Xu <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Tom Lendacky <[email protected]>
Acked-by: Tom Lendacky <[email protected]>
Acked-by: John Allen <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>

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