soc: ti: k3-socinfo: Add entry for J784S4 SOC

J784S4 SoC's JTAG ID is 0xBB80.

Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
Link: https://lore.kernel.org/r/20230314085500.10597-1-j-choudhary@ti.com


Signed-off-by: Nishanth Menon <nm@ti.com>