configs: imx93: enable the 'cpu' command

Enable the 'cpu' command to display the CPU info and release CPU core to
run baremetal or RTOS applications.

Signed-off-by: Hou Zhiqiang <[email protected]>

Author: Zhiqiang-Hou

configs/imx93_11x11_evk_defconfig

@@ -52,6 +52,7 @@ CONFIG_CMD_ERASEENV=y
 # CONFIG_CMD_CRC32 is not set
 CONFIG_CMD_MEMTEST=y
 CONFIG_CMD_CLK=y
+CONFIG_CMD_CPU=y
 CONFIG_CMD_DFU=y
 CONFIG_CMD_FUSE=y
 CONFIG_CMD_GPIO=y