Align checkpatch conf

Ensuring the checkpatch conf is aligned to the configuration
file found in nfs-ganesha/src/scripts. This allows us to have
a consistent experience.

Signed-off-by: Pragadeeswaran Sathyanarayanan <pragadeeswaran.sathyanarayanan@ibm.com>

Author: psathyan

build_scripts/checkpatch/.checkpatch.conf

@@ -75,3 +75,45 @@
 # We have the FSF address in a lot of our headers at the moment,
 # should clean that up one day but ignoring for now.
 --ignore FSF_MAILING_ADDRESS
+
+# We will no longer get grumpy about single line braces
+--ignore BRACES
+
+# We use #if 0 to preserve possibly interesting code
+--ignore IF_0
+--ignore IF_1
+
+--ignore PREFER_DEFINED_ATTRIBUTE_MACRO
+--ignore STRLCPY
+--ignore DATE_TIME
+
+# @todo FSF work on removing these ones if they make sense...
+--ignore BLOCK_COMMENT_STYLE
+#--ignore GLOBAL_INITIALISERS
+#--ignore UNSPECIFIED_INT
+#--ignore LONG_LINE
+#--ignore SUSPECT_CODE_INDENT
+#--ignore CONSTANT_COMPARISON
+#--ignore LINE_SPACING
+#--ignore TYPECAST_INT_CONSTANT
+
+# allow split strings
+--ignore SPLIT_STRING
+
+# we like symbolic permissions
+--ignore SYMBOLIC_PERMS
+
+# we are ok with function prototypes without identifier names
+--ignore FUNCTION_ARGUMENTS
+
+--ignore CONST_STRUCT
+
+#retain 80 column max line length
+ --max-line-length=80
+
+# ignore some annoying things
+--ignore COMPLEX_MACRO
+--ignore MACRO_WITH_FLOW_CONTROL
+--ignore DATE_TIME
+--ignore POINTER_LOCATION
+--ignore SPACING