ACPI: RISCV: Make acpi_numa_get_nid() to be static

acpi_numa_get_nid() is only called in acpi_numa.c for riscv,
no need to add it in head file, so make it static and remove
related functions in the asm/acpi.h.

Spotted by doing some cleanup for arm64 ACPI.
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Reviewed-by: Haibo Xu <haibo1.xu@intel.com>
Link: https://lore.kernel.org/r/20240811031804.3347298-1-guohanjun@huawei.comSigned-off-by: Palmer Dabbelt <palmer@rivosinc.com>

arch/riscv/include/asm/acpi.h

@@ -91,10 +91,8 @@ static inline void acpi_get_cbo_block_size(struct acpi_table_header *table,
 #endif /* CONFIG_ACPI */
 
 #ifdef CONFIG_ACPI_NUMA
-int acpi_numa_get_nid(unsigned int cpu);
 void acpi_map_cpus_to_nodes(void);
 #else
-static inline int acpi_numa_get_nid(unsigned int cpu) { return NUMA_NO_NODE; }
 static inline void acpi_map_cpus_to_nodes(void) { }
 #endif /* CONFIG_ACPI_NUMA */
 

arch/riscv/kernel/acpi_numa.c

@@ -30,7 +30,7 @@
 
 static int acpi_early_node_map[NR_CPUS] __initdata = { NUMA_NO_NODE };
 
-int __init acpi_numa_get_nid(unsigned int cpu)
+static int __init acpi_numa_get_nid(unsigned int cpu)
 {
 	return acpi_early_node_map[cpu];
 }