Some SiFive contributors use there personal emails. Add a group map
for those developers. Please confirm.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Cc: eopXD <yueh.ting.chen@gmail.com>
---
 contrib/gitdm/group-map-sifive | 5 +++++
 gitdm.config                   | 1 +
 2 files changed, 6 insertions(+)
 create mode 100644 contrib/gitdm/group-map-sifive

diff --git a/contrib/gitdm/group-map-sifive b/contrib/gitdm/group-map-sifive
new file mode 100644
index 00000000000..6ba761eb225
--- /dev/null
+++ b/contrib/gitdm/group-map-sifive
@@ -0,0 +1,5 @@
+#
+# SiFive contributors using non-corporate email
+#
+
+yueh.ting.chen@gmail.com
diff --git a/gitdm.config b/gitdm.config
index 9db43ca1422..06ac729c7bc 100644
--- a/gitdm.config
+++ b/gitdm.config
@@ -40,6 +40,7 @@ GroupMap contrib/gitdm/group-map-ibm IBM
 GroupMap contrib/gitdm/group-map-janustech Janus Technologies
 GroupMap contrib/gitdm/group-map-netflix Netflix
 GroupMap contrib/gitdm/group-map-redhat Red Hat
+GroupMap contrib/gitdm/group-map-sifive SiFive
 GroupMap contrib/gitdm/group-map-wavecomp Wave Computing
 
 # Also group together our prolific individual contributors
-- 
2.47.3