riscv: sbi: Correct sbi_shutdown() and sbi_clear_ipi() export

Fix incorrect EXPORT_SYMBOL().

Fixes: efca1398 ("RISC-V: Introduce a new config for SBI v0.1")
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>

arch/riscv/kernel/sbi.c

@@ -102,7 +102,7 @@ void sbi_shutdown(void)
 {
 	sbi_ecall(SBI_EXT_0_1_SHUTDOWN, 0, 0, 0, 0, 0, 0, 0);
 }
-EXPORT_SYMBOL(sbi_set_timer);
+EXPORT_SYMBOL(sbi_shutdown);
 
 /**
  * sbi_clear_ipi() - Clear any pending IPIs for the calling hart.
@@ -113,7 +113,7 @@ void sbi_clear_ipi(void)
 {
 	sbi_ecall(SBI_EXT_0_1_CLEAR_IPI, 0, 0, 0, 0, 0, 0, 0);
 }
-EXPORT_SYMBOL(sbi_shutdown);
+EXPORT_SYMBOL(sbi_clear_ipi);
 
 /**
  * sbi_set_timer_v01() - Program the timer for next timer event.