Update to v5.10 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.10

Test: Built cuttlefish and flame images. Ran bionic unit tests on both.
Change-Id: I37ffc850970adcce1febbe2269c202632fce763a
diff --git a/libc/kernel/uapi/linux/virtio_pci.h b/libc/kernel/uapi/linux/virtio_pci.h
index 2258607..e6d2731 100644
--- a/libc/kernel/uapi/linux/virtio_pci.h
+++ b/libc/kernel/uapi/linux/virtio_pci.h
@@ -44,16 +44,23 @@
 #define VIRTIO_PCI_CAP_ISR_CFG 3
 #define VIRTIO_PCI_CAP_DEVICE_CFG 4
 #define VIRTIO_PCI_CAP_PCI_CFG 5
+#define VIRTIO_PCI_CAP_SHARED_MEMORY_CFG 8
 struct virtio_pci_cap {
   __u8 cap_vndr;
   __u8 cap_next;
   __u8 cap_len;
   __u8 cfg_type;
   __u8 bar;
-  __u8 padding[3];
+  __u8 id;
+  __u8 padding[2];
   __le32 offset;
   __le32 length;
 };
+struct virtio_pci_cap64 {
+  struct virtio_pci_cap cap;
+  __le32 offset_hi;
+  __le32 length_hi;
+};
 struct virtio_pci_notify_cap {
   struct virtio_pci_cap cap;
   __le32 notify_off_multiplier;