binutils: exclude binutils versions that don't support EABIhf

The ARM EABIhf support was introduced in Binutils 2.22, so earlier
versions should not be selected when EABIhf is used.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/binutils/Config.in.host

@@ -14,14 +14,17 @@ choice
 
 	config BR2_BINUTILS_VERSION_2_20_1
 		depends on !BR2_avr32
+		depends on !BR2_ARM_EABIHF
 		bool "binutils 2.20.1"
 
 	config BR2_BINUTILS_VERSION_2_21
 		depends on !BR2_avr32
+		depends on !BR2_ARM_EABIHF
 		bool "binutils 2.21"
 
 	config BR2_BINUTILS_VERSION_2_21_1
 		depends on !BR2_avr32
+		depends on !BR2_ARM_EABIHF
 		bool "binutils 2.21.1"
 
 	config BR2_BINUTILS_VERSION_2_22