[Clang][SME2] Add single and multi min and max builtins (#71688)

Adds the following SME2 builtins:

    svmin_single_(s8|s16|s32|s64)_x(2|4)
    svmin_single_(u8|u16|u32|u64)_x(2|4)
    svmin_single_(f16|f32|f64)_x(2|4)
    svmin_(s8|s16|s32|s64)_x(2|4)
    svmin_(u8|u16|u32|u64)_x(2|4)
    svmin_(f16|f32|f64)_x(2|4)
    svmax_single_(s8|s16|s32|s64)_x(2|4)
    svmax_single_(u8|u16|u32|u64)_x(2|4)
    svmax_single_(f16|f32|f64)_x(2|4)
    svmax_(s8|s16|s32|s64)_x(2|4)
    svmax_(u8|u16|u32|u64)_x(2|4)
    svmax_(f16|f32|f64)_x(2|4)

See
[https://github.com/ARM-software/acle/pull/217](https://github.com/ARM-software/acle/pull/217)

Patch by: Kerry McLaughlin <kerry.mclaughlin@arm.com>