CORE-17604 - Disable some functions for ARM32; - Remove some link options not used on ARM; - Add get _controlfp() to LIBCNTPR to link properly on ARM; - Unify Freeldr UI Drawing on ARM; - Add qemu UART debugging for ARM32/ARM64.
Implement controlfp, statusfp, fpreset, clearfp. CORE-17757 CORE-17604