soc: esp32s2: fix: data cache setup
soc: esp32s2: fix: data cache setup

data cache mode setup and enabling should be done only when
CONFIG_ESP_SPIRAM is enabled. Otherwise, memory layout will
conflict with defaults.

Signed-off-by: Glauber Maroto Ferreira <dedf8e032f416c6160988666098d376154426ed6@espressif.com>

finikorg/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,galak/zephyr,galak/zephyr,galak/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,finikorg/zephyr