riscv: k210: Rename airam to aisram

This is more consistent with the naming of other ram banks, and matches
what Linux is doing.
Reported-by: NDamien Le Moal <Damien.LeMoal@wdc.com>
Signed-off-by: NSean Anderson <seanga2@gmail.com>

arch/riscv/dts/k210.dtsi

@@ -86,11 +86,11 @@
 		reg = <0x80000000 0x400000>,
 		      <0x80400000 0x200000>,
 		      <0x80600000 0x200000>;
-		reg-names = "sram0", "sram1", "airam";
+		reg-names = "sram0", "sram1", "aisram";
 		clocks = <&sysclk K210_CLK_SRAM0>,
 			 <&sysclk K210_CLK_SRAM1>,
 			 <&sysclk K210_CLK_PLL1>;
-		clock-names = "sram0", "sram1", "airam";
+		clock-names = "sram0", "sram1", "aisram";
 		u-boot,dm-pre-reloc;
 	};
 

board/sipeed/maix/maix.c

@@ -17,7 +17,7 @@ phys_size_t get_effective_memsize(void)
 static int sram_init(void)
 {
 	int ret, i;
-	const char * const banks[] = { "sram0", "sram1", "airam" };
+	const char * const banks[] = { "sram0", "sram1", "aisram" };
 	ofnode memory;
 	struct clk clk;