Makefile: Prepare 4.0.11-rc3

Bump at91bootstrap to 4.0.11-rc3 which brings the following changes:

5776d65 driver:dram: align the device name of the 2g dram sip
f1fb05f Makefile: drop the 'v' from the Version string

Signed-off-by: Hari Prasath Gujulan Elango <hari.prasathge@microchip.com>

Author: Hari Prasath Gujulan Elango

Makefile

@@ -54,7 +54,7 @@ else
 	BUILD_DATE := $(shell $(DATE) "$(DATE_FMT)")
 endif
 endif
-export VERSION := 4.0.11-rc2
+export VERSION := 4.0.11-rc3
 REVISION :=
 ifdef NIX_SHELL
 SCMINFO := $(shell (host-utilities/setlocalversion))