meson: Remove autotools files and ignore patches

Signed-off-by: Harvey Wu <Harvey.Wu@quantatw.com>
Change-Id: I11624c380b2e900b528fe267514024e892e3ce1c
diff --git a/.gitignore b/.gitignore
index 964073a..c1312ff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,45 +7,11 @@
 *.trs
 *-coverage*
 
-*.o
-*.lo
-*.la
-*.sw*
-Makefile
-Makefile.in
-configure
-configure~
-.deps
-.libs
-aclocal.m4
-ar-lib
-arm-openbmc-linux-gnueabi-libtool
-autom4te.cache/
-/aminclude_static.am
-compile
-config.guess
-config.guess~
-config.h
-config.h.in
-config.h.in~
-config.log
-config.status
-config.sub
-config.sub~
-depcomp
-install-sh
-ltmain.sh
-missing
-stamp-h1
-test-driver
-.dirstamp
 pidlist-gen.cpp
 sensorlist-gen.cpp
 zoneinfo-gen.cpp
 setsensor
 swampd
-libtool
-x86_64-libtool
 *_unittest
 *_unittest.log
 *_unittest.trs
@@ -54,4 +20,8 @@
 # IDEs
 .idea/
 
+# Patches
+.pc/
+patches/
+
 phosphor-pid-control.service