boards: nxp: mimxrt1180_evk: add flexspi1 support

USE_HYPERRAM macro defined shouldn't be placed under
CONFIG_BOOT_FLEXSPI_NOR.

Add flexspi1 pinmux pinctrl and flash partitions

Add flash partitions and correct flash parameter.

This commit was tested with samples: flash_shell on cm33/cm7 cores

Signed-off-by: Lucien Zhao <lucien.zhao@nxp.com>