Adjust kernel build infra for RISCV

Adjust based on:

commit d0a82f1e0f
Author: Laura Abbott <labbott@redhat.com>
Date:   Tue Nov 5 17:10:53 2019 -0500

Signed-off-by: David Abdurachmanov <david.abdurachmanov@sifive.com>

filter-riscv64.sh.fedora

@@ -0,0 +1,14 @@
+#! /bin/bash
+
+# This is the aarch64 override file for the core/drivers package split.  The
+# module directories listed here and in the generic list in filter-modules.sh
+# will be moved to the resulting kernel-modules package for this arch.
+# Anything not listed in those files will be in the kernel-core package.
+#
+# Please review the default list in filter-modules.sh before making
+# modifications to the overrides below.  If something should be removed across
+# all arches, remove it in the default instead of per-arch.
+
+driverdirs="atm auxdisplay bcma bluetooth firewire fmc fpga infiniband isdn leds media memstick message mmc mtd nfc ntb pcmcia platform power ssb staging tty uio uwb w1"
+
+singlemods="ntb_netdev iscsi_ibft iscsi_boot_sysfs megaraid pmcraid qedi qla1280 9pnet_rdma rpcrdma nvmet-rdma nvme-rdma hid-picolcd hid-prodikeys hwa-hc hwpoison-inject target_core_user sbp_target cxgbit iw_cxgb3 iw_cxgb4 cxgb3i cxgb3i cxgb3i_ddp cxgb4i chcr chtls"