malta: activate some more standard kernel features

These options where deactivated in the malta kernel, take the default
options form the generic kernel configuration now to better match the
other targets.

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

target/linux/malta/config-4.9

@@ -76,7 +76,6 @@ CONFIG_CRYPTO_NULL2=y
 CONFIG_CRYPTO_RNG2=y
 CONFIG_CRYPTO_WORKQUEUE=y
 CONFIG_CSRC_R4K=y
-# CONFIG_DEBUG_FS is not set
 CONFIG_DMA_MAYBE_COHERENT=y
 CONFIG_DMA_NONCOHERENT=y
 CONFIG_DNOTIFY=y
@@ -164,7 +163,6 @@ CONFIG_ISA_DMA_API=y
 CONFIG_JBD2=y
 CONFIG_JFFS2_FS_POSIX_ACL=y
 CONFIG_JFFS2_FS_SECURITY=y
-# CONFIG_JFFS2_SUMMARY is not set
 CONFIG_KALLSYMS=y
 CONFIG_KERNEL_GZIP=y
 # CONFIG_KERNEL_XZ is not set
@@ -264,7 +262,6 @@ CONFIG_SG_POOL=y
 CONFIG_SMP=y
 CONFIG_SMP_UP=y
 CONFIG_SRCU=y
-# CONFIG_STAGING is not set
 CONFIG_SWAP_IO_SPACE=y
 CONFIG_SYNC_R4K=y
 CONFIG_SYSCTL_EXCEPTION_TRACE=y
@@ -296,7 +293,6 @@ CONFIG_SYS_SUPPORTS_SCHED_SMT=y
 CONFIG_SYS_SUPPORTS_SMARTMIPS=y
 CONFIG_SYS_SUPPORTS_SMP=y
 CONFIG_SYS_SUPPORTS_ZBOOT=y
-# CONFIG_TCP_CONG_ADVANCED is not set
 CONFIG_TICK_CPU_ACCOUNTING=y
 CONFIG_TREE_RCU=y
 CONFIG_USB_SUPPORT=y
@@ -308,5 +304,4 @@ CONFIG_VT=y
 CONFIG_VT_CONSOLE=y
 CONFIG_VT_HW_CONSOLE_BINDING=y
 CONFIG_VXFS_FS=y
-# CONFIG_WATCHDOG is not set
 CONFIG_XPS=y