regulators: Implement i2c_write_bytes action

Implement the i2c_write_bytes action in the JSON config file.  See
i2c_write_bytes.md for more information about this action.

Signed-off-by: Shawn McCarney <shawnmm@us.ibm.com>
Change-Id: Ifd4ef481f0a6b74bd3e5689a7b9f3a989ed5e214
diff --git a/phosphor-regulators/src/meson.build b/phosphor-regulators/src/meson.build
index b5bb9f4..556c65b 100644
--- a/phosphor-regulators/src/meson.build
+++ b/phosphor-regulators/src/meson.build
@@ -10,7 +10,8 @@
     'actions/i2c_compare_bit_action.cpp',
     'actions/i2c_compare_byte_action.cpp',
     'actions/i2c_compare_bytes_action.cpp',
-    'actions/i2c_write_byte_action.cpp'
+    'actions/i2c_write_byte_action.cpp',
+    'actions/i2c_write_bytes_action.cpp'
 ]
 
 phosphor_regulators_library = static_library(