clk: at91: sama7g5: remove all kernel-doc & kernel-doc warnings

Remove all "/**" kernel-doc markers from sama7g5.c since they are
all internal to this driver source file only.
This eliminates 14 warnings that were reported by the kernel test robot.

Signed-off-by: Randy Dunlap <[e-mail]>
Reported-by: kernel test robot <[e-mail]>
Cc: Claudiu Beznea <[e-mail]>
Cc: Michael Turquette <[e-mail]>
Cc: Stephen Boyd <[e-mail]>
Cc: Eugen Hristev <[e-mail]>
Cc: [e-mail]
Cc: [e-mail]
Link: https://lore.kernel.org/r/[e-mail]
Reviewed-by: Claudiu Beznea <[e-mail]>
Signed-off-by: Stephen Boyd <[e-mail]>

drivers/clk/at91/sama7g5.c

···
 static DEFINE_SPINLOCK(pmc_mck0_lock);
 static DEFINE_SPINLOCK(pmc_mckX_lock);
 
-/**
+/*
  * PLL clocks identifiers
  * @PLL_ID_CPU:		CPU PLL identifier
  * @PLL_ID_SYS:		System PLL identifier
···
 	PLL_ID_MAX,
 };
 
-/**
+/*
  * PLL type identifiers
  * @PLL_TYPE_FRAC:	fractional PLL identifier
  * @PLL_TYPE_DIV:	divider PLL identifier
···
 	.output = pll_outputs,
 };
 
-/**
+/*
  * PLL clocks description
  * @n:		clock name
  * @p:		clock parent
···
 	},
 };
 
-/**
+/*
  * Master clock (MCK[1..4]) description
  * @n:			clock name
  * @ep:			extra parents names array
···
 	  .c = 1, },
 };
 
-/**
+/*
  * System clock description
  * @n:	clock name
  * @p:	clock parent name
···
 /* Mux table for programmable clocks. */
 static u32 sama7g5_prog_mux_table[] = { 0, 1, 2, 5, 6, 7, 8, 9, 10, };
 
-/**
+/*
  * Peripheral clock description
  * @n:		clock name
  * @p:		clock parent name
···
 	{ .n = "uhphs_clk",	.p = "mck1", .id = 106, },
 };
 
-/**
+/*
  * Generic clock description
  * @n:			clock name
  * @pp:			PLL parents