microblaze: Rename Advance setup to Kernel features

"Advance setup: menu is misleading that's why rename it.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

arch/microblaze/Kconfig

@@ -127,7 +127,7 @@ config SECCOMP
 
 endmenu
 
-menu "Advanced setup"
+menu "Kernel features"
 
 config ADVANCED_OPTIONS
 	bool "Prompt for advanced kernel configuration options"