microblaze: Sort Kconfig options

Kconfig options should be sorted.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

arch/microblaze/Kconfig

 config MICROBLAZE
 	def_bool y
 	select ARCH_MIGHT_HAVE_PC_PARPORT
-	select HAVE_MEMBLOCK
-	select HAVE_MEMBLOCK_NODE_MAP
-	select HAVE_FUNCTION_TRACER
-	select HAVE_FUNCTION_TRACE_MCOUNT_TEST
-	select HAVE_FUNCTION_GRAPH_TRACER
-	select HAVE_DYNAMIC_FTRACE
-	select HAVE_FTRACE_MCOUNT_RECORD
-	select ARCH_WANT_OPTIONAL_GPIOLIB
-	select HAVE_OPROFILE
-	select HAVE_ARCH_KGDB
-	select HAVE_DMA_ATTRS
-	select HAVE_DMA_API_DEBUG
-	select TRACING_SUPPORT
-	select OF
-	select OF_EARLY_FLATTREE
 	select ARCH_WANT_IPC_PARSE_VERSION
-	select HAVE_DEBUG_KMEMLEAK
-	select IRQ_DOMAIN
-	select VIRT_TO_BUS
+	select ARCH_WANT_OPTIONAL_GPIOLIB
+	select BUILDTIME_EXTABLE_SORT
+	select CLKSRC_OF
+	select CLONE_BACKWARDS3
+	select COMMON_CLK
+	select GENERIC_ATOMIC64
+	select GENERIC_CLOCKEVENTS
+	select GENERIC_CPU_DEVICES
+	select GENERIC_IDLE_POLL_SETUP
 	select GENERIC_IRQ_PROBE
 	select GENERIC_IRQ_SHOW
 	select GENERIC_PCI_IOMAP
-	select GENERIC_CPU_DEVICES
-	select GENERIC_ATOMIC64
-	select GENERIC_CLOCKEVENTS
-	select COMMON_CLK
 	select GENERIC_SCHED_CLOCK
-	select GENERIC_IDLE_POLL_SETUP
+	select HAVE_ARCH_KGDB
+	select HAVE_DEBUG_KMEMLEAK
+	select HAVE_DMA_API_DEBUG
+	select HAVE_DMA_ATTRS
+	select HAVE_DYNAMIC_FTRACE
+	select HAVE_FTRACE_MCOUNT_RECORD
+	select HAVE_FUNCTION_GRAPH_TRACER
+	select HAVE_FUNCTION_TRACE_MCOUNT_TEST
+	select HAVE_FUNCTION_TRACER
+	select HAVE_MEMBLOCK
+	select HAVE_MEMBLOCK_NODE_MAP
+	select HAVE_OPROFILE
+	select IRQ_DOMAIN
 	select MODULES_USE_ELF_RELA
-	select CLONE_BACKWARDS3
-	select CLKSRC_OF
-	select BUILDTIME_EXTABLE_SORT
+	select OF
+	select OF_EARLY_FLATTREE
+	select TRACING_SUPPORT
+	select VIRT_TO_BUS
 
 config SWAP
 	def_bool n