update phi::CPUPlace in prepared_operator.cc #12038

Job	Run time
Clone-linux / Clone Paddle	2m 53s
build docker images / Build docker	1m 56s
Linux-build / Build	1h 10m 22s
PR-CI-Inference / Check bypass / Check bypass	3s
PR-CI-Inference / Build	37m 57s
PR-CI-Inference / Test	7m 31s
CE-Framework / Whl	1m 24s
CE-CINN-Framework / CINN	58s
Static-Check / Test	7m 40s
CE-Framework / Infer	13m 0s
CE-Framework / Test	18m 52s
Slice / Check bypass / Check bypass	5s
Api-Benchmark / Check bypass / Check bypass	5s
Model-Benchmark / Check bypass / Check bypass	3s
DeepMD-Kit-Test / Check bypass / Check bypass	3s
Doc-Preview / Check bypass / Check bypass	5s
DeepMD-Kit-Test / DeepMD-Kit Integration Test	6m 59s
Model-Benchmark / Benchmark test	14m 25s
Slice / Slice test	5m 42s
Api-Benchmark / Performance data storage	24m 25s
Doc-Preview / Build doc	51s
	3h 35m 19s

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