opencv: enable SSE4.1 SSE4.2 support when available

Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/opencv/opencv.mk

@@ -77,6 +77,8 @@ OPENCV_CONF_OPT += \
 	-DENABLE_SSE=$(if $(BR2_X86_CPU_HAS_SSE),ON,OFF)     \
 	-DENABLE_SSE2=$(if $(BR2_X86_CPU_HAS_SSE2),ON,OFF)   \
 	-DENABLE_SSE3=$(if $(BR2_X86_CPU_HAS_SSE3),ON,OFF)   \
+	-DENABLE_SSE41=$(if $(BR2_X86_CPU_HAS_SSE4),ON,OFF)  \
+	-DENABLE_SSE42=$(if $(BR2_X86_CPU_HAS_SSE42),ON,OFF) \
 	-DENABLE_SSSE3=$(if $(BR2_X86_CPU_HAS_SSSE3),ON,OFF)
 
 # Cuda stuff