Hi
I have had the same problem with the remote control of a xiaomi stick 4K.
Following the small guide I managed to solve it, its identifier is b0005v2717p32B9e0024*.
I don't know if it is also important to be in the libreelec code, if not, here I leave the info:
Code
LibreELEC:~ # udevadm test /devices/virtual/misc/uhid/0005:2717:32B9.0003/input/input12 2>&1 | grep ^MODALIAS
MODALIAS=input:b0005v2717p32B9e0024-e0,1,4,k72,73,74,80,8C,90,96,9B,9C,9E,9F,AC,AD,CF,18F,191,1A0,246,ram4,lsfw
LibreELEC:~ # cat .config/hwdb.d/70-local-keyboard.hwdb
# xaomi remote 4k stick
evdev:input:b0005v2717p32B9e0024*
KEYBOARD_KEY_c0041=enterCode
I: Bus=0005 Vendor=2717 Product=32b9 Version=0024
N: Name="Xiaomi RC Consumer Control"
P: Phys=c0:4b:24:c1:01:01
S: Sysfs=/devices/virtual/misc/uhid/0005:2717:32B9.0003/input/input12
U: Uniq=18:bf:1c:b7:1c:5d
H: Handlers=kbd event12
B: PROP=0
B: EV=13
B: KEY=40 0 0 100028000 0 0 8000 3000d8411001 1c168000000000 10000000
B: MSC=10
I: Bus=0005 Vendor=2717 Product=32b9 Version=0024
N: Name="Xiaomi RC Keyboard"
P: Phys=c0:4b:24:c1:01:01
S: Sysfs=/devices/virtual/misc/uhid/0005:2717:32B9.0003/input/input14
U: Uniq=18:bf:1c:b7:1c:5d
H: Handlers=sysrq kbd leds event13
B: PROP=0
B: EV=120013
B: KEY=1000000000007 ff9f207ac14057ff febeffdfffefffff fff80f803c00f002
B: MSC=10
B: LED=1f