i386/72340: [PATCH] add Pentium M, P3 M, P4 M support to bsd.cpu.mk

[Rong-En Fan]

I have used CPUTYPE=p-m to compile -current yesterday
however, after reboot, the kernel compilains that
something like "FPU is not present", then it enters
DDB. To verify this was caused by CPUTYPE=p-m, I compiled
my kernel without CPUTYPE, then it works.

Leland Wang (llwang at infor.org) has compiled his 5-STABLE
few hours ago with CPUTYPE=p3,p4,p-m and it fails to boot
the kernel with p-m (hang right after boot2, entering kernel...).
According to his exp, CPUTYPE=p3,p4 are both ok.

Not sure if this is GCC's optimization bug or ours?
Is there any way to debug this? I'm willing to give help on this.

-rafan