bsp/pc386: Remove unused RTEMS_CPU_MODEL

This patch is a part of the BSP source reorganization.

Update #3285.

c/src/lib/libbsp/i386/pc386/make/custom/pc386.cfg

@@ -5,9 +5,6 @@
 include $(RTEMS_ROOT)/make/custom/default.cfg
 
 RTEMS_CPU=i386
-ifeq ($(RTEMS_CPU_MODEL),)
-RTEMS_CPU_MODEL=i386_fp
-endif
 
 #  This contains the compiler options necessary to select the CPU model
 #  and (hopefully) optimize for it. 

c/src/lib/libbsp/i386/pc386/make/custom/pc486.cfg

@@ -2,8 +2,6 @@
 #  Configuration file for a PC using an i486DX Class CPU
 #
 
-RTEMS_CPU_MODEL=i486dx
-
 #  This contains the compiler options necessary to select the CPU model
 #  and (hopefully) optimize for it.
 CPU_CFLAGS = -mtune=i486

c/src/lib/libbsp/i386/pc386/make/custom/pc586-sse.cfg

@@ -2,8 +2,6 @@
 #  Configuration file for a PC using a Pentium Class CPU
 #
 
-RTEMS_CPU_MODEL=pentium
-
 # This configuration is useful for SMP testing on Qemu
 CPU_CFLAGS = -mtune=pentium -march=pentium -msse2
 

c/src/lib/libbsp/i386/pc386/make/custom/pc586.cfg

@@ -2,8 +2,6 @@
 #  Configuration file for a PC using a Pentium Class CPU
 #
 
-RTEMS_CPU_MODEL=pentium
-
 #  This contains the compiler options necessary to select the CPU model
 #  and (hopefully) optimize for it.
 CPU_CFLAGS = -mtune=pentium -march=pentium

c/src/lib/libbsp/i386/pc386/make/custom/pc686.cfg

@@ -2,8 +2,6 @@
 #  Configuration file for a PC using a PentiumPro Class CPU
 #
 
-RTEMS_CPU_MODEL=pentiumpro
-
 #  This contains the compiler options necessary to select the CPU model
 #  and (hopefully) optimize for it.
 CPU_CFLAGS = -mtune=pentiumpro -march=pentium

c/src/lib/libbsp/i386/pc386/make/custom/pcp4.cfg

@@ -2,8 +2,6 @@
 #  Configuration file for a PC using a Pentium Class CPU
 #
 
-RTEMS_CPU_MODEL=pentium
-
 #  Note:      We give the -mtune=pentium option here only so that at least the
 #             variant optimized for pentium (w/o using any pentium-specific
 #             features) is used (assuming you use the vanilla RTEMS multilibs).