arch/Config.in.x86: enable SSE2 on Pentium M

The Pentium M does support SSE2 so it would make sense to enable it.

Signed-off-by: Stefan Ott <stefan@ott.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 4c561a7adf95d33acddabcd72e6155c8c05bbbfe)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

arch/Config.in.x86

@@ -72,6 +72,7 @@ config BR2_x86_pentium_m
 	depends on !BR2_x86_64
 	select BR2_X86_CPU_HAS_MMX
 	select BR2_X86_CPU_HAS_SSE
+	select BR2_X86_CPU_HAS_SSE2
 config BR2_x86_pentium2
 	bool "pentium2"
 	depends on !BR2_x86_64