linux-yocto/6.12: genericarm64: set the DMA Contiguous Memory Allocator size to 32MB

linux-yocto/6.12: genericarm64: set the DMA Contiguous Memory Allocator size to 32MB

Integrating the following commit(s) to linux-yocto/.:

1/1 [
    Author: Ross Burton
    Email: ross.burton@arm.com
    Subject: genericarm64: set the DMA Contiguous Memory Allocator size to 32MB
    Date: Thu, 27 Feb 2025 17:32:29 +0000

    The default is 16MB but the aarch64 defconfig sets it to 32MB.

    Notably this fixes various graphical issues on both the BeaglePlay and
    KV260, where 16MB isn't sufficient.

    Signed-off-by: Ross Burton <ross.burton@arm.com>
    Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
]

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>