update to 6.3 p1

[Wojciech Puchar]

> Thank you! Just to make sure, I go to /usr/src

you meant /usr/src/sys i think

> make
> make install
> shutdown -r now

>
> Also, I have always used:
> make buildkernel KERNCONF=MYKERNEL
> make installkernel KERNCONF=MYKERNEL

strange way unless building new system.

normal way is

cd /usr/src/sys/<yourarch>/conf
edit mykernel
config mykernel
cd ../compile/mykernel
make depend
make
make install