or1k: sync kernel config

target/or1k/kernel/qemu-or1k

@@ -1,12 +1,4 @@
 CONFIG_OPENRISC=y
 CONFIG_OPENRISC_BUILTIN_DTB="or1ksim"
 CONFIG_OR1K_1200=y
-CONFIG_OPENRISC_HAVE_INST_FF1=y
-CONFIG_OPENRISC_HAVE_INST_FL1=y
-CONFIG_OPENRISC_HAVE_INST_MUL=y
-CONFIG_OPENRISC_HAVE_INST_DIV=y
 CONFIG_OPENRISC_HAVE_INST_LWA_SWA=y
-CONFIG_IRQCHIP=y
-CONFIG_OR1K_PIC=y
-CONFIG_SLOB=y
-CONFIG_MICREL_PHY=y