Add and update some .gitignore files

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/.gitignore b/.gitignore
index 54b3c54..7224e92 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,9 @@
 seedfile
 # MBEDTLS_PSA_INJECT_ENTROPY seed file created by the test framework
 00000000ffffff52.psa_its
+# Log files created by all.sh to reduce the logs in case a component runs
+# successfully
+quiet-make.*
 
 # CMake build artifacts:
 CMakeCache.txt
diff --git a/pkgconfig/.gitignore b/pkgconfig/.gitignore
new file mode 100644
index 0000000..5460c20
--- /dev/null
+++ b/pkgconfig/.gitignore
@@ -0,0 +1,2 @@
+Makefile
+*.pc