Host alocation atomoticty between devices

### Specification Version

SYCL 2020 (Revision 11)

### Section Number(s)

Somewhere

### Issue Description

https://registry.khronos.org/SYCL/specs/sycl-2020/html/sycl-2020.html#api:aspect-usm-atomic-host-allocations

>The host and this device may concurrently access and atomically modify host allocations.

Note this "this device"

Wheere shared said

https://registry.khronos.org/SYCL/specs/sycl-2020/html/sycl-2020.html#api:aspect-usm-atomic-shared-allocations

>The host and other devices in the same context that also support this capability may concurrently access and atomically modify shared allocations.

Note "other devices"

Should we change host to said "other devices"?

### Code Example (Optional)

_No response_

Start by comparing the linked SYCL 2020 sections for atomic host and shared allocations. Determine whether the host-allocation wording should match the shared-allocation wording, then update the relevant specification text and verify that the terminology is consistent.

Written by the indexing model from the issue text.