php: security bump version to 7.0.7

Fixes CVE-2013-7456 https://bugs.php.net/bug.php?id=72227
Fixes CVE-2016-5093 https://bugs.php.net/bug.php?id=72241

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/php/php.hash

@@ -1,2 +1,2 @@
 # From http://php.net/downloads.php
-sha256 1b237a9455e5476a425dbb9d99966bad68107747c601958cb9558a7fb49ab419  php-7.0.6.tar.xz
+sha256 9cc64a7459242c79c10e79d74feaf5bae3541f604966ceb600c3d2e8f5fe4794  php-7.0.7.tar.xz

package/php/php.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-PHP_VERSION = 7.0.6
+PHP_VERSION = 7.0.7
 PHP_SITE = http://www.php.net/distributions
 PHP_SOURCE = php-$(PHP_VERSION).tar.xz
 PHP_INSTALL_STAGING = YES