build: group variables together

Group the variables together by use, so they're easier to find.

Change-Id: I0477176b6e6e44a47e56823b48258f43e74c9c27
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/configure.ac b/configure.ac
index 12cf922..970fca2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -78,6 +78,14 @@
     AX_APPEND_COMPILE_FLAGS([-DNUVOTON_LPC], [CXXFLAGS])
 ])
 
+AC_ARG_VAR(STATIC_HANDLER_STAGED_NAME, [The file to use for staging the firmware update.])
+AS_IF([test "x$STATIC_HANDLER_STAGED_NAME" == "x"], [STATIC_HANDLER_STAGED_NAME="/run/initramfs/bmc-image"])
+AC_DEFINE_UNQUOTED([STATIC_HANDLER_STAGED_NAME], ["$STATIC_HANDLER_STAGED_NAME"], [The file to use for staging the firmware update.])
+
+AC_ARG_VAR(HASH_FILENAME, [The file to use for the hash provided.])
+AS_IF([test "x$HASH_FILENAME" == "x"], [HASH_FILENAME="/tmp/bmc.sig"])
+AC_DEFINE_UNQUOTED([HASH_FILENAME], ["$HASH_FILENAME"], [The file to use for the hash provided.])
+
 # Check/set gtest specific functions.
 PKG_CHECK_MODULES([GTEST], [gtest], [], [AC_MSG_NOTICE([gtest not found, tests will not build])])
 PKG_CHECK_MODULES([GMOCK], [gmock], [], [AC_MSG_NOTICE([gmock not found, tests will not build])])
@@ -107,14 +115,6 @@
     AC_SUBST([OESDK_TESTCASE_FLAGS], [$testcase_flags])
 )
 
-AC_ARG_VAR(STATIC_HANDLER_STAGED_NAME, [The file to use for staging the firmware update.])
-AS_IF([test "x$STATIC_HANDLER_STAGED_NAME" == "x"], [STATIC_HANDLER_STAGED_NAME="/run/initramfs/bmc-image"])
-AC_DEFINE_UNQUOTED([STATIC_HANDLER_STAGED_NAME], ["$STATIC_HANDLER_STAGED_NAME"], [The file to use for staging the firmware update.])
-
-AC_ARG_VAR(HASH_FILENAME, [The file to use for the hash provided.])
-AS_IF([test "x$HASH_FILENAME" == "x"], [HASH_FILENAME="/tmp/bmc.sig"])
-AC_DEFINE_UNQUOTED([HASH_FILENAME], ["$HASH_FILENAME"], [The file to use for the hash provided.])
-
 # Create configured output
 AC_CONFIG_FILES([Makefile test/Makefile])
 AC_OUTPUT