riscv: defconfig: Enable CONFIG_RTC_DRV_EFI config

[Road-White]

riscv: defconfig: Enable CONFIG_RTC_DRV_EFI config

riscv inclusion
category: config
bugzilla:

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Turn on CONFIG_RTC_DRV_EFI to support system time access via the UEFI

Runtime Services interface on RISC-V platforms:

• CONFIG_RTC_DRV_EFI=y

This option aligns with the approach used in the arm64 defconfig.

Signed-off-by: hu.yuyehu.yuye@zte.com.cn
Signed-off-by: liuqingtao liu.qingtao2@zte.com.cn