ext: mcux: add OSAbstraction layer for Zephyr

Implement just the OSA_InterruptEnable and OSA_InterruptDisable functions
as only these two are needed to build the XCVR driver.

Jira: ZEP-2026
Change-Id: I49e0cedd3a2553a59b667a2b9945db6b8d0be0d2
Signed-off-by: Bogdan Davidoaia <bogdan.davidoaia@linaro.org>
1 file changed