package/gcc: set e5500 and e6500 version mask

Freescale e5500 and e6500 cores are supported for versions >= 4.8
So filter out all of the older versions to avoid build failures.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/gcc/Config.in.host

@@ -30,7 +30,8 @@ choice
 		depends on !BR2_cortex_a7 && !BR2_cortex_a12 && \
 			!BR2_cortex_a15 && !BR2_fa526 && !BR2_pj4
 		# Broken or unsupported PPC cores
-		depends on !BR2_powerpc_power8
+		depends on !BR2_powerpc_e5500 && !BR2_powerpc_e6500 && \
+			!BR2_powerpc_power8
 		# SPARC -mcpu=leon3 appeared in gcc 4.8.3
 		depends on !BR2_sparc_leon3
 		# Broken or unsupported X86 cores
@@ -49,7 +50,8 @@ choice
 		# Broken or unsupported ARM cores
 		depends on !BR2_cortex_a12 && !BR2_pj4
 		# Broken or unsupported PPC cores
-		depends on !BR2_powerpc_power8
+		depends on !BR2_powerpc_e5500 && !BR2_powerpc_e6500 && \
+			!BR2_powerpc_power8
 		# SPARC -mcpu=leon3 appeared in gcc 4.8.3
 		depends on !BR2_sparc_leon3
 		# Broken or unsupported x86 cores