arch/csky/setup: Drop dummy_con initialization

con_init in tty/vt.c will now set conswitchp to dummy_con if it's unset.
Drop it from arch setup code.
Signed-off-by: NArvind Sankar <nivedita@alum.mit.edu>
Link: https://lore.kernel.org/r/20191218214506.49252-9-nivedita@alum.mit.eduSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

arch/csky/kernel/setup.c

@@ -136,10 +136,6 @@ void __init setup_arch(char **cmdline_p)
 #ifdef CONFIG_HIGHMEM
 	kmap_init();
 #endif
-
-#if defined(CONFIG_VT) && defined(CONFIG_DUMMY_CONSOLE)
-	conswitchp = &dummy_con;
-#endif
 }
 
 unsigned long va_pa_offset;