powerpc/powernv: only call OPAL_RESEND_DUMP if firmware supports it

Not all OPAL platforms support resending system dumps, so check
that current firmware supports it first. Otherwise we get firmware
complaining:
"OPAL: Called with bad token 91 !"

Signed-off-by: Stewart Smith <[email protected]>
Acked-by: Vasant Hegde <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
Signed-off-by: Joel Stanley <[email protected]>

Author: stewartsmith

arch/powerpc/platforms/powernv/opal-dump.c

@@ -444,5 +444,6 @@ void __init opal_platform_dump_init(void)
 		return;
 	}
 
-	opal_dump_resend_notification();
+	if (opal_check_token(OPAL_DUMP_RESEND))
+		opal_dump_resend_notification();
 }