crypto: p10-aes-gcm - Remove POWER10_CPU dependency

Remove Power10 dependency in Kconfig and detect Power10 feature at runtime.
Signed-off-by: Danny Tsen <dtsen@linux.ibm.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

arch/powerpc/crypto/Kconfig

@@ -96,7 +96,7 @@ config CRYPTO_AES_PPC_SPE
 
 config CRYPTO_AES_GCM_P10
 	tristate "Stitched AES/GCM acceleration support on P10 or later CPU (PPC)"
-	depends on PPC64 && POWER10_CPU && CPU_LITTLE_ENDIAN
+	depends on PPC64 && CPU_LITTLE_ENDIAN
 	select CRYPTO_LIB_AES
 	select CRYPTO_ALGAPI
 	select CRYPTO_AEAD