swupdate: bump git srcrev

This includes the following changes:

045a618 raw_handler: handle ro block devices
5700346 Makefile: rename tools binaries
48f22c6 add .editorconfig file
e5e7e02 doc: describe REST api
75985aa Add Kconfig option for new systemd files
bdc1d3c systemd generic startup
16790d1 doc: fix broken link for talks
7c8926d ssbl_handler: fix age comparison
f130541 travis: set libwebsockets version
9409e9a Prepare 2019.11-rc1
d8d9fd4 handler: add a copy handler
21594da Add SSBL Handler
34c55f1 handlers: sort the list of modules in Makefile
ede66e7 doc: add scenarios how to use SWUpdate
a5e82b9 doc: add links to single and double copy scenarios
c744dfe Cosmetic: rename entry points in raw handler
864dedd raw handler: return error number instead of -1
e38ad73 handler: push progress status from bootloader handler
cfaec8c u-boot handler: fix removing variable
27c40c4 doc: ELC video published on YouTube
07811c7 swupdate: add pre-update command hook
da974cd doc: update list of talks with ELC 2019

Signed-off-by: Adrian Freihofer <adrian.freihofer@siemens.com>

recipes-support/swupdate/swupdate_git.bb

@@ -3,5 +3,5 @@ require swupdate_tools.inc
 
 DEFAULT_PREFERENCE = "-1"
 
-SRCREV ?= "a8d45381253838b34e4e035c065a1cdf429b1f09"
+SRCREV ?= "045a618a725d0a2fce64161f10101c0004ac5d85"
 PV = "2019.04+git${SRCPV}"