riscv: Rename SiFive CLINT to RISC-V ALINT

As the RISC-V ACLINT specification is defined to be backward compatible
with the SiFive CLINT specification, we rename SiFive CLINT to RISC-V
ALINT in the source tree to be future-proof.

Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Rick Chen <rick@andestech.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 2477923..87991cc 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1330,7 +1330,7 @@
 F:	doc/usage/sbi.rst
 F:	drivers/sysreset/sysreset_sbi.c
 F:	drivers/timer/andes_plmt_timer.c
-F:	drivers/timer/sifive_clint_timer.c
+F:	drivers/timer/riscv_aclint_timer.c
 F:	tools/prelink-riscv.c
 
 RISC-V CANAAN KENDRYTE K210