bcache-tools: bump version to 1.0.8

And also add a hash file.

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

package/bcache-tools/bcache-tools.hash

@@ -0,0 +1,2 @@
+# Locally calculated
+sha256 d56923936f37287efc57a46315679102ef2c86cd0be5874590320acd48c1201c  bcache-tools-v1.0.8.tar.gz

package/bcache-tools/bcache-tools.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-BCACHE_TOOLS_VERSION = v1.0.7
+BCACHE_TOOLS_VERSION = v1.0.8
 BCACHE_TOOLS_SITE = $(call github,g2p,bcache-tools,$(BCACHE_TOOLS_VERSION))
 BCACHE_TOOLS_LICENSE = GPLv2
 BCACHE_TOOLS_LICENSE_FILES = COPYING