pistachio: Cleanup kernel configuration

This removes some kernel configuration options which are not needed.
This brings the target closer to the OpenWrt standard configuration.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

target/linux/pistachio/config-5.15

@@ -71,8 +71,6 @@ CONFIG_DMA_VIRTUAL_CHANNELS=y
 CONFIG_DTC=y
 CONFIG_DWMAC_GENERIC=y
 CONFIG_EXT4_FS=y
-CONFIG_EXT4_FS_POSIX_ACL=y
-CONFIG_EXT4_FS_SECURITY=y
 # CONFIG_FIT_IMAGE_FDT_BOSTON is not set
 # CONFIG_FIT_IMAGE_FDT_JAGUAR2 is not set
 # CONFIG_FIT_IMAGE_FDT_LUTON is not set
@@ -120,6 +118,7 @@ CONFIG_HAS_DMA=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT_MAP=y
 CONFIG_HOTPLUG_CPU=y
+CONFIG_HZ_PERIODIC=y
 CONFIG_I2C=y
 CONFIG_I2C_BOARDINFO=y
 CONFIG_I2C_IMG=y
@@ -138,7 +137,6 @@ CONFIG_LEDS_PWM=y
 # CONFIG_LEGACY_BOARD_OCELOT is not set
 # CONFIG_LEGACY_BOARD_SEAD3 is not set
 CONFIG_LIBFDT=y
-CONFIG_LKDTM=y
 CONFIG_LOCK_DEBUGGING_SUPPORT=y
 CONFIG_LOG_BUF_SHIFT=18
 CONFIG_LZO_COMPRESS=y
@@ -201,17 +199,12 @@ CONFIG_MTD_UBI_BEB_LIMIT=20
 CONFIG_MTD_UBI_BLOCK=y
 CONFIG_MTD_UBI_FASTMAP=y
 CONFIG_MTD_UBI_WL_THRESHOLD=4096
-CONFIG_NAMESPACES=y
 CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_NET_FLOW_LIMIT=y
-CONFIG_NET_NS=y
 CONFIG_NET_PTP_CLASSIFY=y
 CONFIG_NET_SELFTESTS=y
 CONFIG_NLS=y
 CONFIG_NO_EXCEPT_FILL=y
-CONFIG_NO_HZ=y
-CONFIG_NO_HZ_COMMON=y
-CONFIG_NO_HZ_IDLE=y
 CONFIG_NR_CPUS=4
 CONFIG_OF=y
 CONFIG_OF_ADDRESS=y
@@ -234,11 +227,8 @@ CONFIG_PINCTRL=y
 CONFIG_PINCTRL_PISTACHIO=y
 CONFIG_POWER_SUPPLY=y
 CONFIG_PPS=y
-# CONFIG_PREEMPT_NONE is not set
-CONFIG_PREEMPT_VOLUNTARY=y
 CONFIG_PRINTK_TIME=y
 CONFIG_PROC_EVENTS=y
-CONFIG_PROFILING=y
 CONFIG_PTP_1588_CLOCK=y
 CONFIG_PTP_1588_CLOCK_OPTIONAL=y
 CONFIG_PWM=y
@@ -329,7 +319,6 @@ CONFIG_USB_GADGET=y
 CONFIG_USB_ROLE_SWITCH=y
 CONFIG_USB_STORAGE=y
 CONFIG_USB_SUPPORT=y
-CONFIG_USER_NS=y
 CONFIG_USE_OF=y
 # CONFIG_VIRT_BOARD_RANCHU is not set
 CONFIG_WATCHDOG_CORE=y