[PATCH 3/3] Update GNU config.sub

[Dimitar Dimitrov]

Config.sub has not been updated for almost two years.

It would be best to update config.sub from latest GNU release. If for some
reason it is not viable, this patch adds the necessary support for PRU.

Signed-off-by: Dimitar Dimitrov <dimitar@dinux.eu>
---
 config.sub | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/config.sub b/config.sub
index 6d86a1e2f..5248c5fde 100755
--- a/config.sub
+++ b/config.sub
@@ -301,6 +301,7 @@ case $basic_machine in
 	| open8 | or1k | or1knd | or32 \
 	| pdp10 | pdp11 | pj | pjl \
 	| powerpc | powerpc64 | powerpc64le | powerpcle \
+	| pru \
 	| pyramid \
 	| riscv32 | riscv64 \
 	| rl78 | rx \
@@ -428,6 +429,7 @@ case $basic_machine in
 	| orion-* \
 	| pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
 	| powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \
+	| pru \
 	| pyramid-* \
 	| riscv32-* | riscv64-* \
 	| rl78-* | romp-* | rs6000-* | rx-* \
-- 
2.11.0