fix: word repetition findings from checkpatch

With linux sources update from I647f9ab8ea5da95aff7f4e9118d795c9680dd503
a more recent version of checkpatch script is provided.

Fix few repeated words in the Hafnium code, now spotted by the new
checkpatch script.

Change-Id: If7c0e15f82b1d2bf60d0b84d1b814ba034b88e99
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/src/arch/aarch64/pl011/pl011.c b/src/arch/aarch64/pl011/pl011.c
index d23083c..e708aa3 100644
--- a/src/arch/aarch64/pl011/pl011.c
+++ b/src/arch/aarch64/pl011/pl011.c
@@ -26,7 +26,7 @@
 /* UART FBRD (Fractional Baudrate) Register. */
 #define UART_FBRD IO32_C(PL011_BASE + 0x028)
 
-/* UART Line Control Register Register. */
+/* UART Line Control Register. */
 #define UART_LCR_H IO32_C(PL011_BASE + 0x02C)
 
 /* UART Control Register. */
diff --git a/src/ffa_memory.c b/src/ffa_memory.c
index 98fd688..ab47929 100644
--- a/src/ffa_memory.c
+++ b/src/ffa_memory.c
@@ -1852,7 +1852,7 @@
 		} else if (ret.func != FFA_MEM_FRAG_RX_32) {
 			dlog_warning(
 				"Got %#x from TEE in response to %#x for "
-				"fragment with with %d/%d, expected "
+				"fragment with %d/%d, expected "
 				"FFA_MEM_FRAG_RX.\n",
 				ret.func, share_func, fragment_length,
 				memory_share_length);
diff --git a/src/load.c b/src/load.c
index 0f80c12..367c380 100644
--- a/src/load.c
+++ b/src/load.c
@@ -399,7 +399,7 @@
 	}
 
 	/*
-	 * Ensure the FDT has one additional page at the end for patching, and
+	 * Ensure the FDT has one additional page at the end for patching,
 	 * and align it to the page boundary.
 	 */
 	allocated_size = align_up(memiter_size(&fdt), PAGE_SIZE) + PAGE_SIZE;