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PM Table size not read correctly for Chagall #30

@Toby-Broom

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@Toby-Broom

[688569.531411] ryzen_smu: CPUID: family 0x19, model 0x8, stepping 0x2, package 0x4
[688569.531416] ryzen_smu: RSMU Mailbox: (cmd: 0x3B10524, rsp: 0x3B10570, args: 0x3B10A40)
[688569.531422] ryzen_smu: HSMP Mailbox: (cmd: 0x3B10534, rsp: 0x3B10980, args: 0x3B109E0)
[688569.531426] ryzen_smu: MP1 Mailbox: (cmd: 0x3B10530, rsp: 0x3B1057C, args: 0x3B109C4)

ryzen_smu: Insufficient buffer size for PM table read: 6832 < 7088 version: 0x380005
ryzen_smu: Failed to probe the PM table -- disabling feature (248)

https://github.com/amkillam/ryzen_smu/blob/172c316f53ac8f066afd7cb9e1da517084273368/smu.c#L944C1-L945C39

these lines have the correct PM table size but it doesn't seem to be called correctly

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