package/pru-software-support: remove 'v' prefix

Fixes version parsing for release-monitoring.org support.

Cc: Heiko Thiery <heiko.thiery@kontron.com>
Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/pru-software-support/pru-software-support.mk

@@ -4,8 +4,9 @@
 #
 ################################################################################
 
-PRU_SOFTWARE_SUPPORT_VERSION = v5.1.0
-PRU_SOFTWARE_SUPPORT_SITE = https://git.ti.com/pru-software-support-package/pru-software-support-package/archive-tarball/$(PRU_SOFTWARE_SUPPORT_VERSION)?
+PRU_SOFTWARE_SUPPORT_VERSION = 5.1.0
+PRU_SOFTWARE_SUPPORT_SITE = https://git.ti.com/pru-software-support-package/pru-software-support-package/archive-tarball/v$(PRU_SOFTWARE_SUPPORT_VERSION)?
+PRU_SOFTWARE_SUPPORT_SOURCE = $(PRU_SOFTWARE_SUPPORT_NAME)-v$(PRU_SOFTWARE_SUPPORT_VERSION).tar.gz
 PRU_SOFTWARE_SUPPORT_LICENSE =  BSD-3-Clause, GPL-2.0, Public Domain
 PRU_SOFTWARE_SUPPORT_LICENSE_FILES = PRU-Package-v5.0-Manifest.html
 PRU_SOFTWARE_SUPPORT_DEPENDENCIES = host-ti-cgt-pru host-pru-software-support