php: bump version to 7.0.9

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 0a2142c458b0846f556b16da1c927d74c101aa951bb840549abe5c58584fb394  php-7.0.8.tar.xz
+sha256 970c322ba3e472cb0264b8ba9d4d92e87918da5d0cca53c4aba2a70545b8626d  php-7.0.9.tar.xz

package/php/php.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-PHP_VERSION = 7.0.8
+PHP_VERSION = 7.0.9
 PHP_SITE = http://www.php.net/distributions
 PHP_SOURCE = php-$(PHP_VERSION).tar.xz
 PHP_INSTALL_STAGING = YES