Disable the coretemp and nvram on pc98.

sys/modules/Makefile

@@ -371,7 +371,6 @@ _cardbus=	cardbus
 _cbb=		cbb
 _ce=		ce
 _coff=		coff
-_coretemp=	coretemp
 _cp=		cp
 _cpufreq=	cpufreq
 _cs=		cs
@@ -399,7 +398,6 @@ _mse=		mse
 _ncp=		ncp
 .endif
 _ncv=		ncv
-_nvram=		nvram
 _ndis=		ndis
 _nsp=		nsp
 .if ${MK_NCP} != "no"
@@ -439,6 +437,7 @@ _asr=		asr
 _bios=		bios
 _ciss=		ciss
 _cm=		cm
+_coretemp=	coretemp
 _ctau=		ctau
 _cx=		cx
 _dpt=		dpt
@@ -460,6 +459,7 @@ _ixgb=		ixgb
 _mly=		mly
 _nfe=		nfe
 _nve=		nve
+_nvram=		nvram
 _nxge=		nxge
 .if ${MK_CRYPT} != "no" || defined(ALL_MODULES)
 .if exists(${.CURDIR}/../crypto/via)