package/iozone: bump to version 3.506

- Upstream archive moved back to tar from tgz
- For change log, see end of file:
https://www.iozone.org/src/current/Changes.txt

Signed-off-by: Gilles Talis <gilles.talis@gmail.com>
Reviewed-by: Julien Olivain <ju.o@free.fr>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/iozone/iozone.hash

@@ -1,2 +1,3 @@
 # Locally calculated
-sha256  5a52f5017e022e737f5b55f320cc6ada0f2a8c831a5f996cce2a44e03e91c038  iozone3_493.tgz
+sha256  114ce5c071873b9a2c7ba6e73d05d5ef7e66564392acbfcdc0b3261db10fcbe7  iozone3_506.tar
+sha256  bff7909fd698708d15613a4fb977a193cff98f44ef170c2dc1dd502974df75b2  docs/License.txt

package/iozone/iozone.mk

@@ -4,12 +4,11 @@
 #
 ################################################################################
 
-IOZONE_VERSION = 3.493
-IOZONE_SOURCE = iozone$(subst .,_,$(IOZONE_VERSION)).tgz
+IOZONE_VERSION = 3.506
+IOZONE_SOURCE = iozone$(subst .,_,$(IOZONE_VERSION)).tar
 IOZONE_SITE = http://www.iozone.org/src/current
 IOZONE_LICENSE = IOzone license (NO DERIVED WORKS ALLOWED)
-# IOzone license details can be found at:
-# http://www.iozone.org/docs/Iozone_License.txt
+IOZONE_LICENSE_FILES = docs/License.txt
 
 # AIO support not available on uClibc, use the linux (non-aio) target.
 ifeq ($(BR2_TOOLCHAIN_USES_UCLIBC),y)