mpc85xx: remove CONFIG_LEGACY_PTY from kernel config

Having legacy PTYs enabled causes problems with procd-hotplug.

Signed-off-by: Daniel Golle <[email protected]>

target/linux/mpc85xx/config-4.14

@@ -186,8 +186,6 @@ CONFIG_ISA_DMA_API=y
 CONFIG_KERNEL_GZIP=y
 CONFIG_KERNEL_START=0xc0000000
 # CONFIG_KSI8560 is not set
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
 CONFIG_LIBFDT=y
 CONFIG_LOWMEM_CAM_NUM=3
 CONFIG_LOWMEM_SIZE=0x30000000

target/linux/mpc85xx/config-4.19

@@ -173,8 +173,6 @@ CONFIG_ISA_DMA_API=y
 CONFIG_KERNEL_GZIP=y
 CONFIG_KERNEL_START=0xc0000000
 # CONFIG_KSI8560 is not set
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
 CONFIG_LIBFDT=y
 CONFIG_LOCK_DEBUGGING_SUPPORT=y
 CONFIG_LOWMEM_CAM_NUM=3