cpu/intel/model_fxx: Select SSE2

Starting from Intel Pentium 4, cpus featured SSE2.
This will be used in the follow-up patches to determine whether to use
mfence as this instruction was introduced with the SSE2 feature set.

Change-Id: I8ce37d855cf84a9fb9fe9e18d77b0c19be261407
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64666
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

src/cpu/intel/model_f2x/Kconfig

@@ -4,3 +4,4 @@ config CPU_INTEL_MODEL_F2X
 	select SUPPORT_CPU_UCODE_IN_CBFS
 	select SMM_ASEG
 	select CPU_INTEL_COMMON
+	select SSE2

src/cpu/intel/model_f3x/Kconfig

@@ -3,3 +3,4 @@ config CPU_INTEL_MODEL_F3X
 	select ARCH_X86
 	select SUPPORT_CPU_UCODE_IN_CBFS
 	select CPU_INTEL_COMMON
+	select SSE2

src/cpu/intel/model_f4x/Kconfig

@@ -2,3 +2,4 @@ config CPU_INTEL_MODEL_F4X
 	bool
 	select ARCH_X86
 	select SUPPORT_CPU_UCODE_IN_CBFS
+	select SSE2