mtd: rawnand: brcmnand: update log level messages

mtd: rawnand: brcmnand: update log level messages

Update log level messages so that more critical messages can be logged
to console and help the troubleshooting with field devices.

This is a port of the upstream Linux patch to U-Boot.

https://lore.kernel.org/linux-mtd/20240223034758.13753-4-william.zhang@broadcom.com/

Signed-off-by: david regan <dregan@broadcom.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: William Zhang <william.zhang@broadcom.com>
Reviewed-by: Anand Gore <anand.gore@broadcom.com>