selftest/mm: fix typo in virtual_address_range

The function name should be *hint* address, so correct it.

Link: https://lkml.kernel.org/r/20241008094141.549248-4-zhangchunyan@iscas.ac.cn
Signed-off-by: Chunyan Zhang <zhangchunyan@iscas.ac.cn>
Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Cc: Alexandre Ghiti <alex@ghiti.fr>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

Author: Chunyan Zhang

tools/testing/selftests/mm/virtual_address_range.c

@@ -64,7 +64,7 @@
 #define NR_CHUNKS_HIGH  NR_CHUNKS_384TB
 #endif
 
-static char *hind_addr(void)
+static char *hint_addr(void)
 {
 	int bits = HIGH_ADDR_SHIFT + rand() % (63 - HIGH_ADDR_SHIFT);
 
@@ -185,7 +185,7 @@ int main(int argc, char *argv[])
 	}
 
 	for (i = 0; i < NR_CHUNKS_HIGH; i++) {
-		hint = hind_addr();
+		hint = hint_addr();
 		hptr[i] = mmap(hint, MAP_CHUNK_SIZE, PROT_READ | PROT_WRITE,
 			       MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);