arm64: defconfig: Enable various configs for TI K3 platforms

Enable TI ECAP, DP83869 driver, OMAP2 Mailbox, K3 remote proc
SND_SOC_J721E_EVM, MCAN, UFS and RTI, Thermal driver to be built
as module.

These configs are supported on below TI platforms

ECAP on am642, am65 iot2050 EVM.

DP83869 on AM64x EVM.

OMAP2 Mailbox, K3 remote proc on AM64 on J7200,J721E and J784S4 SOC.

CONFIG_SND_SOC_J721E_EVM on J721E.

MCAN on AM68 SK, J721E, J721S2, AM642 AM642-Phyboards

UFS feature on J721E EVM

RTI watchdog on AM62, AM62A, AM64, AM65, J721E and J7200 SOC.

Thermal driver on AM62, AM62A AM65, J7200, J721E, J721S2,
J784S4  platform.

Signed-off-by: Udit Kumar <u-kumar1@ti.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230731161048.2522154-1-u-kumar1@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>