glibc: remove unnecessary !BR2_sparc dependencies

The BR2_TOOLCHAIN_BUILDROOT_GLIBC option is already not selectable on
BR2_sparc, so there is no need to have an additional "depends on
!BR2_sparc" on each of the glibc versions.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/glibc/Config.in

@@ -12,20 +12,14 @@ choice
 
 config BR2_GLIBC_VERSION_2_22
 	bool "2.22"
-	# No support for pthread barriers on < v9 ISA
-	depends on !BR2_sparc
 	# Too old to build with gcc >= 6.x
 	depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_6
 
 config BR2_GLIBC_VERSION_2_23
 	bool "2.23"
-	# No support for pthread barriers on < v9 ISA
-	depends on !BR2_sparc
 
 config BR2_GLIBC_VERSION_2_24
 	bool "2.24"
-	# No support for pthread barriers on < v9 ISA
-	depends on !BR2_sparc
 	# Linux 3.2 or later kernel headers are required on all arches.
 	# See: https://sourceware.org/ml/libc-alpha/2016-08/msg00212.html
 	depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_2