KVM LBT supports on LoongArch depends on the linux-header file
kvm_para.h, also unistd_64.h is required by unistd.h on LoongArch
since 6.11, otherwise there will be compiling error such as:

linux-headers/asm/unistd.h:3:10: fatal error: asm/unistd_64.h: No such file or directory
 #include <asm/unistd_64.h>

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
---
 scripts/update-linux-headers.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/scripts/update-linux-headers.sh b/scripts/update-linux-headers.sh
index c34ac6454e..3c411f0318 100755
--- a/scripts/update-linux-headers.sh
+++ b/scripts/update-linux-headers.sh
@@ -186,6 +186,10 @@ EOF
     if [ $arch = riscv ]; then
         cp "$hdrdir/include/asm/ptrace.h" "$output/linux-headers/asm-riscv/"
     fi
+    if [ $arch = loongarch ]; then
+        cp "$hdrdir/include/asm/kvm_para.h" "$output/linux-headers/asm-loongarch/"
+        cp "$hdrdir/include/asm/unistd_64.h" "$output/linux-headers/asm-loongarch/"
+    fi
 done
 arch=
 
-- 
2.39.3