HID: bpf: doc fixes for hid_hw_request() hooks

HID: bpf: doc fixes for hid_hw_request() hooks

We had the following errors while doing make htmldocs:
Documentation/hid/hid-bpf:185: include/linux/hid_bpf.h:144:
	ERROR: Unexpected indentation.
Documentation/hid/hid-bpf:185: include/linux/hid_bpf.h:145:
	WARNING: Block quote ends without a blank line;
	unexpected unindent.
Documentation/hid/hid-bpf:185: include/linux/hid_bpf.h:147:
	ERROR: Unexpected indentation.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: 8bd0488b5ea5 ("HID: bpf: add HID-BPF hooks for hid_hw_raw_requests")
Link: https://patch.msgid.link/20240701-fix-cki-v2-3-20564e2e1393@kernel.org
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>