tests: Rename tests.sh to testutils.sh

tests.sh has a bunch of shell setup that's sourced in a number of other
scripts.  It _doesn't_ actually run a bunch of tests, which is kind of what
the name suggests.  So rename it to be more obvious.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

tests/dtc-checkfails.sh

@@ -1,6 +1,6 @@
 #! /bin/sh
 
-. ./tests.sh
+. ./testutils.sh
 
 for x; do
     shift

tests/dtc-fails.sh

@@ -1,6 +1,6 @@
 #! /bin/sh
 
-. ./tests.sh
+. ./testutils.sh
 
 if [ "$1" = "-n" ]; then
     NEG="$1"

tests/dtc-fatal.sh

@@ -1,6 +1,6 @@
 #! /bin/sh
 
-. ./tests.sh
+. ./testutils.sh
 
 verbose_run $VALGRIND "$DTC" -o/dev/null "$@"
 ret="$?"

tests/fdtdump-runtest.sh

@@ -4,7 +4,7 @@
 #   $1 - source file to compile and compare with fdtdump output of the
 #	  compiled file.
 
-. ./tests.sh
+. ./testutils.sh
 
 dts="$1"
 dtb="${dts}.dtb"

tests/fdtget-runtest.sh

@@ -1,6 +1,6 @@
 #! /bin/sh
 
-. ./tests.sh
+. ./testutils.sh
 
 LOG=tmp.log.$$
 EXPECT=tmp.expect.$$

tests/fdtoverlay-runtest.sh

@@ -6,7 +6,7 @@
 # Usage
 #    fdtoverlay-runtest.sh name expected_output dtb_file node property flags value
 
-. ./tests.sh
+. ./testutils.sh
 
 LOG=tmp.log.$$
 EXPECT=tmp.expect.$$

tests/fdtput-runtest.sh

@@ -6,7 +6,7 @@
 # Usage
 #    fdtput-runtest.sh name expected_output dtb_file node property flags value
 
-. ./tests.sh
+. ./testutils.sh
 
 LOG=tmp.log.$$
 EXPECT=tmp.expect.$$

tests/run_tests.sh

@@ -1,6 +1,6 @@
 #! /bin/sh
 
-. ./tests.sh
+. ./testutils.sh
 
 if [ -z "$CC" ]; then
     CC=gcc