Remove obsolete patches

Merged upstream

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

0002-riscv-reject-invalid-syscalls-below-1.patch

@@ -1,24 +0,0 @@
-From c000c7188f1a114a0d11eb006ab67c183d5da83a Mon Sep 17 00:00:00 2001
-From: Fedora Kernel Team <kernel-team@fedoraproject.org>
-Date: Thu, 19 Dec 2019 09:05:21 +0000
-Subject: [PATCH 2/3] riscv: reject invalid syscalls below -1
-
----
- arch/riscv/kernel/entry.S | 1 +
- 1 file changed, 1 insertion(+)
-
-diff --git a/arch/riscv/kernel/entry.S b/arch/riscv/kernel/entry.S
-index a1349ca..e163b7b 100644
---- a/arch/riscv/kernel/entry.S
-+++ b/arch/riscv/kernel/entry.S
-@@ -246,6 +246,7 @@ check_syscall_nr:
- 	 */
- 	li t1, -1
- 	beq a7, t1, ret_from_syscall_rejected
-+	blt a7, t1, 1f
- 	/* Call syscall */
- 	la s0, sys_call_table
- 	slli t0, a7, RISCV_LGPTR
--- 
-2.24.1
-

kernel.spec

@@ -871,9 +871,6 @@ Patch526: libertas-Fix-two-buffer-overflows-at-parsing-bss-descriptor.patch
 # https://github.com/sifive/riscv-linux/commits/dev/paulw/cpufreq-dt-aloe-v5.3-rc4
 Patch570: 0002-SiFive-Unleashed-CPUFreq.patch
 
-# https://patchwork.kernel.org/patch/11299999/
-Patch573: 0002-riscv-reject-invalid-syscalls-below-1.patch
-
 # https://patchwork.kernel.org/patch/11301459/
 Patch574: 0001-riscv-change-CSR-M-S-defines-to-use-X-for-prefix.patch