Move core_reset for SDC2 from platform-specific files to the tuna SoC.
This change ensures that the reset properties are managed centrally in
the SoC file, reducing redundancy and improving maintainability.
Change-Id: If8e6bcdac9b05275d20f1d205dfc7e6461d39b72
Signed-off-by: Manish Pandey <quic_mapa@quicinc.com>