These Kconfigs should have been deprecated for more than 2
releases, remove them:
- `CONFIG_CPP_MAIN`
- `CONFIG_CPLUSPLUS`
- `CONFIG_LIB_CPLUSPLUS`
- `CONFIG_EXCEPTIONS`
- `CONFIG_RTTI`
Signed-off-by: Yong Cong Sin <ycsin@meta.com>
Use CMSIS-DSP from its new realm. This also changes change how you
initialize FFT tables as well to use arm_cfft_init_64_f32 if you
know the FFT size in advance rather than the generic initialization
arm_cfft_init_f32.
Signed-off-by: Ryan McClelland <ryanmcclelland@meta.com>
