spec/zynqmp-rpu: Clean up options

The RAM origin had an unnecessary alignment requirement and the RAM
lenght had a reference that couldn't possibly be used. This removes
those obsolete option specifiers.

spec/build/bsps/arm/xilinx-zynqmp-rpu/optramlen.yml

@@ -8,8 +8,6 @@ build-type: option
 copyrights:
 - Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
 default:
-- enabled-by: arm/xilinx_zynqmp_ultra96
-  value: 0x80000000
 - enabled-by: true
   value: 0x10000000
 description: |

spec/build/bsps/arm/xilinx-zynqmp-rpu/optramori.yml

@@ -2,7 +2,6 @@ SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
 actions:
 - get-integer: null
 - assert-uint32: null
-- assert-aligned: 1048576
 - env-assign: null
 - format-and-define: null
 build-type: option