buildroot: Support 5.5 kernels
This adds support for 5.5 kernels to buildroot, but updates the
defconfigs in order to continue to use the 5.4 kernel for now.
Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/openpower/configs/p9dsu_defconfig b/openpower/configs/p9dsu_defconfig
index 4691443..410a449 100644
--- a/openpower/configs/p9dsu_defconfig
+++ b/openpower/configs/p9dsu_defconfig
@@ -1,5 +1,6 @@
BR2_powerpc64le=y
BR2_powerpc_power8=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_4=y
BR2_BINUTILS_EXTRA_CONFIG_OPTIONS="--enable-targets=powerpc64-linux"
BR2_GCC_VERSION_6_X=y
BR2_EXTRA_GCC_CONFIG_OPTIONS="--enable-targets=powerpc64-linux --disable-libsanitizer"