mips: LOONGSON32: drop a dangling Kconfig symbol
CPU_HAS_LOAD_STORE_LR is not used anywhere in the kernel sources,
so drop it.
Fixes: 85c4354076ca ("MIPS: loongson32: Switch to generic core")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Keguang Zhang <keguang.zhang@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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