bbswitch: add patch for linux 5.18

Close #37916

srcpkgs/bbswitch/patches/0003-kernel-5.18.patch

@@ -0,0 +1,18 @@
+--- a/bbswitch.c
++++ b/bbswitch.c
+@@ -264,10 +264,14 @@
+     pci_disable_device(dis_dev);
+     do {
+         struct acpi_device *ad = NULL;
+-        int r;
++        int r = 0;
+ 
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 18, 0)
++        ad = acpi_fetch_acpi_dev(dis_handle);
++#else
+         r = acpi_bus_get_device(dis_handle, &ad);
++#endif
+         if (r || !ad) {
+             pr_warn("Cannot get ACPI device for PCI device\n");
+             break;
+         }

srcpkgs/bbswitch/template

@@ -1,7 +1,7 @@
 # Template file for 'bbswitch'
 pkgname=bbswitch
 version=0.8
-revision=4
+revision=5
 archs="x86_64*"
 depends="dkms"
 short_desc="Kernel module for disabling the nVidia GPU on Optimus laptops"