clk: at91: sama7g5: allow SYS and CPU PLLs to be exported and referenced in DT

Allow SYSPLL and CPUPLL to be referenced as a PMC_TYPE_CORE clock
from phandle in DT.
Suggested-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
[claudiu.beznea@microchip.com: adapt commit message, add CPU PLL]
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/1605800597-16720-4-git-send-email-claudiu.beznea@microchip.comSigned-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/at91/sama7g5.c

@@ -117,7 +117,8 @@ static const struct {
 		  .p = "cpupll_fracck",
 		  .l = &pll_layout_divpmc,
 		  .t = PLL_TYPE_DIV,
-		  .c = 1, },
+		  .c = 1,
+		  .eid = PMC_CPUPLL, },
 	},
 
 	[PLL_ID_SYS] = {
@@ -131,7 +132,8 @@ static const struct {
 		  .p = "syspll_fracck",
 		  .l = &pll_layout_divpmc,
 		  .t = PLL_TYPE_DIV,
-		  .c = 1, },
+		  .c = 1,
+		  .eid = PMC_SYSPLL, },
 	},
 
 	[PLL_ID_DDR] = {