psu-ng: Symlink to input history files

Plan to re-use input history related files from Witherspoon development.

Change-Id: I880925c42f5149ae559479bc67756cb78f63a4d4
Signed-off-by: Brandon Wyman <bjwyman@gmail.com>
diff --git a/phosphor-power-supply/average.hpp b/phosphor-power-supply/average.hpp
new file mode 120000
index 0000000..32555ce
--- /dev/null
+++ b/phosphor-power-supply/average.hpp
@@ -0,0 +1 @@
+../power-supply/average.hpp
\ No newline at end of file
diff --git a/phosphor-power-supply/maximum.hpp b/phosphor-power-supply/maximum.hpp
new file mode 120000
index 0000000..ec255a0
--- /dev/null
+++ b/phosphor-power-supply/maximum.hpp
@@ -0,0 +1 @@
+../power-supply/maximum.hpp
\ No newline at end of file
diff --git a/phosphor-power-supply/record_manager.cpp b/phosphor-power-supply/record_manager.cpp
new file mode 120000
index 0000000..cc2efd0
--- /dev/null
+++ b/phosphor-power-supply/record_manager.cpp
@@ -0,0 +1 @@
+../power-supply/record_manager.cpp
\ No newline at end of file
diff --git a/phosphor-power-supply/record_manager.hpp b/phosphor-power-supply/record_manager.hpp
new file mode 120000
index 0000000..506413d
--- /dev/null
+++ b/phosphor-power-supply/record_manager.hpp
@@ -0,0 +1 @@
+../power-supply/record_manager.hpp
\ No newline at end of file