x86_64: update bochs config file

arch/x86_64/bochsrc.bxrc

@@ -1,10 +1,8 @@
 # configuration file generated by Bochs
-plugin_ctrl: unmapped=true, biosdev=true, speaker=true, extfpuirq=true, parallel=true, serial=true, iodebug=true
+plugin_ctrl: unmapped=true, biosdev=true, speaker=true, extfpuirq=true, parallel=true, serial=true
 config_interface: textconfig
 display_library: sdl2
 memory: guest=128, host=128, block_size=128
-romimage: file="/usr/local/share/bochs/BIOS-bochs-latest", address=0x00000000, options=none, flash_data=none
-vgaromimage: file="/usr/local/share/bochs/VGABIOS-lgpl-latest.bin"
 boot: cdrom
 floppy_bootsig_check: disabled=0
 floppya: type=1_44
@@ -31,7 +29,7 @@ cpu: count=1:1:1, ips=4000000, quantum=16, model=core2_penryn_t9600, reset_on_tr
 print_timestamps: enabled=0
 debugger_log: -
 magic_break: enabled=1 0x0
-port_e9_hack: enabled=false, all_rings=false
+port_e9_hack: enabled=true, all_rings=false
 iodebug: all_rings=0
 private_colormap: enabled=0
 clock: sync=none, time0=local, rtc_sync=0
@@ -47,7 +45,7 @@ mouse: type=ps2, enabled=false, toggle=ctrl+mbutton
 speaker: enabled=true, mode=system
 parport1: enabled=true, file=none
 parport2: enabled=false
-com1: enabled=true, mode=null
+com1: enabled=true, mode=file, dev=kernel.log
 com2: enabled=false
 com3: enabled=false
 com4: enabled=false