build-appliance-image: upgrade to newer poky revision.

Upgraded to poky commit: d823759b45

- Includes fixes and enhancements to Hob;
- Includes fixes and improvements to bitbake;
- Includes the switch to Linux kernel 3.8;
- Includes fixes to network connectivity.

Fixes [YOCTO #3843].

(From OE-Core rev: 6cdd70ddc16f72103e889676a185144ff582deca)

Signed-off-by: Cristian Iorga <cristian.iorga@intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-core/images/build-appliance-image.bb

@@ -6,8 +6,6 @@ LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://${COREBASE}/LICENSE;md5=3f40d7994397109285ec7b81fdeb3b58 \
                     file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
 
-PR = "r19"
-
 IMAGE_FEATURES += "x11-base package-management splash"
 
 # Ensure there's enough space to do a core-image-sato build, with rm_work enabled
@@ -21,7 +19,7 @@ IMAGE_FSTYPES = "vmdk"
 
 inherit core-image
 
-SRCREV ?= "4493b107a7f0f9b4f441f661c16176157d950245"
+SRCREV ?= "d823759b4594143d522eae0b2a2498436a6dcb1e"
 SRC_URI = "git://git.yoctoproject.org/poky;protocol=git \
            file://Yocto_Build_Appliance.vmx \
            file://Yocto_Build_Appliance.vmxf \