rv: Update RHEL kconfigs for 6.15 upstream code

JIRA: https://issues.redhat.com/browse/RHEL-92308

Upstream Status: RHEL-only

Configs:
  Add common/generic:CONFIG_RV_MON_SCHED=n

Signed-off-by: Gabriele Monaco <gmonaco@redhat.com>

Author: glemco

redhat/configs/common/generic/CONFIG_RV_MON_SCHED

@@ -0,0 +1 @@
+# CONFIG_RV_MON_SCHED is not set