Core Prime LTE uses ST LIS2HH12 accelerometer. Add support for it.

[Stephen: Use common &st_accel definition from common dtsi]
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Raymond Hackley <raymondhackley@protonmail.com>
Link: https://lore.kernel.org/r/20240406111348.14358-4-raymondhackley@protonmail.comSigned-off-by: Bjorn Andersson <andersson@kernel.org>